diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index eb6c0b7686b6d..e015d0c765cc3 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1095,17 +1095,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } fn pick_core(&self) -> Option> { - let pick = self.pick_all_method(Some(&mut vec![])); - - // In this case unstable picking is done by `pick_method`. - if !self.tcx.sess.opts.unstable_opts.pick_stable_methods_before_any_unstable { - return pick; - } - - if pick.is_none() { - return self.pick_all_method(None); - } - pick + // Pick stable methods only first, and consider unstable candidates if not found. + self.pick_all_method(Some(&mut vec![])).or_else(|| self.pick_all_method(None)) } fn pick_all_method( @@ -1244,54 +1235,11 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { }) } - fn pick_method_with_unstable(&self, self_ty: Ty<'tcx>) -> Option> { - debug!("pick_method_with_unstable(self_ty={})", self.ty_to_string(self_ty)); - - let mut possibly_unsatisfied_predicates = Vec::new(); - - for (kind, candidates) in - &[("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] - { - debug!("searching {} candidates", kind); - let res = self.consider_candidates( - self_ty, - candidates, - &mut possibly_unsatisfied_predicates, - Some(&mut vec![]), - ); - if res.is_some() { - return res; - } - } - - for (kind, candidates) in - &[("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] - { - debug!("searching unstable {kind} candidates"); - let res = self.consider_candidates( - self_ty, - candidates, - &mut possibly_unsatisfied_predicates, - None, - ); - if res.is_some() { - return res; - } - } - - self.unsatisfied_predicates.borrow_mut().extend(possibly_unsatisfied_predicates); - None - } - fn pick_method( &self, self_ty: Ty<'tcx>, mut unstable_candidates: Option<&mut Vec<(Candidate<'tcx>, Symbol)>>, ) -> Option> { - if !self.tcx.sess.opts.unstable_opts.pick_stable_methods_before_any_unstable { - return self.pick_method_with_unstable(self_ty); - } - debug!("pick_method(self_ty={})", self.ty_to_string(self_ty)); let mut possibly_unsatisfied_predicates = Vec::new(); diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index ac32988d3ac6e..bfb1e822a2697 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -776,7 +776,6 @@ fn test_unstable_options_tracking_hash() { tracked!(packed_bundled_libs, true); tracked!(panic_abort_tests, true); tracked!(panic_in_drop, PanicStrategy::Abort); - tracked!(pick_stable_methods_before_any_unstable, false); tracked!(plt, Some(true)); tracked!(polonius, true); tracked!(precise_enum_drop_elaboration, false); diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 0d5818bd39cf9..1f3eb8d4832fe 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -1567,8 +1567,6 @@ options! { "parse only; do not compile, assemble, or link (default: no)"), perf_stats: bool = (false, parse_bool, [UNTRACKED], "print some performance-related statistics (default: no)"), - pick_stable_methods_before_any_unstable: bool = (true, parse_bool, [TRACKED], - "try to pick stable methods first before picking any unstable methods (default: yes)"), plt: Option = (None, parse_opt_bool, [TRACKED], "whether to use the PLT when calling into shared libraries; only has effect for PIC code on systems with ELF binaries diff --git a/tests/rustdoc-ui/z-help.stdout b/tests/rustdoc-ui/z-help.stdout index 8d0155151b8df..58b2f92d15040 100644 --- a/tests/rustdoc-ui/z-help.stdout +++ b/tests/rustdoc-ui/z-help.stdout @@ -1,76 +1,76 @@ - -Z allow-features=val -- only allow the listed language features to be enabled in code (comma separated) - -Z always-encode-mir=val -- encode MIR of all functions into the crate metadata (default: no) - -Z asm-comments=val -- generate comments into the assembly (may change behavior) (default: no) - -Z assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`. - -Z assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no) - -Z binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no) - -Z box-noalias=val -- emit noalias metadata for box (default: yes) - -Z branch-protection=val -- set options for branch target identification and pointer authentication on AArch64 - -Z cf-protection=val -- instrument control-flow architecture protection - -Z cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use - -Z codegen-backend=val -- the backend to use - -Z combine-cgu=val -- combine CGUs into a single one - -Z crate-attr=val -- inject the given attribute in the crate - -Z debug-info-for-profiling=val -- emit discriminators and other data necessary for AutoFDO - -Z debug-macros=val -- emit line numbers debug info inside macros (default: no) - -Z deduplicate-diagnostics=val -- deduplicate identical diagnostics (default: yes) - -Z dep-info-omit-d-target=val -- in dep-info output, omit targets for tracking dependencies of the dep-info files themselves (default: no) - -Z dep-tasks=val -- print tasks that execute and the color their dep node gets (requires debug build) (default: no) - -Z diagnostic-width=val -- set the current output width for diagnostic truncation - -Z dlltool=val -- import library generation tool (windows-gnu only) - -Z dont-buffer-diagnostics=val -- emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) (default: no) - -Z drop-tracking=val -- enables drop tracking in generators (default: no) - -Z drop-tracking-mir=val -- enables drop tracking on MIR in generators (default: no) - -Z dual-proc-macros=val -- load proc macros for both target and host, but only link to the target (default: no) - -Z dump-dep-graph=val -- dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) (default: no) - -Z dump-drop-tracking-cfg=val -- dump drop-tracking control-flow graph as a `.dot` file (default: no) - -Z dump-mir=val -- dump MIR state to file. + -Z allow-features=val -- only allow the listed language features to be enabled in code (comma separated) + -Z always-encode-mir=val -- encode MIR of all functions into the crate metadata (default: no) + -Z asm-comments=val -- generate comments into the assembly (may change behavior) (default: no) + -Z assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`. + -Z assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no) + -Z binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no) + -Z box-noalias=val -- emit noalias metadata for box (default: yes) + -Z branch-protection=val -- set options for branch target identification and pointer authentication on AArch64 + -Z cf-protection=val -- instrument control-flow architecture protection + -Z cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use + -Z codegen-backend=val -- the backend to use + -Z combine-cgu=val -- combine CGUs into a single one + -Z crate-attr=val -- inject the given attribute in the crate + -Z debug-info-for-profiling=val -- emit discriminators and other data necessary for AutoFDO + -Z debug-macros=val -- emit line numbers debug info inside macros (default: no) + -Z deduplicate-diagnostics=val -- deduplicate identical diagnostics (default: yes) + -Z dep-info-omit-d-target=val -- in dep-info output, omit targets for tracking dependencies of the dep-info files themselves (default: no) + -Z dep-tasks=val -- print tasks that execute and the color their dep node gets (requires debug build) (default: no) + -Z diagnostic-width=val -- set the current output width for diagnostic truncation + -Z dlltool=val -- import library generation tool (windows-gnu only) + -Z dont-buffer-diagnostics=val -- emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) (default: no) + -Z drop-tracking=val -- enables drop tracking in generators (default: no) + -Z drop-tracking-mir=val -- enables drop tracking on MIR in generators (default: no) + -Z dual-proc-macros=val -- load proc macros for both target and host, but only link to the target (default: no) + -Z dump-dep-graph=val -- dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) (default: no) + -Z dump-drop-tracking-cfg=val -- dump drop-tracking control-flow graph as a `.dot` file (default: no) + -Z dump-mir=val -- dump MIR state to file. `val` is used to select which passes and functions to dump. For example: `all` matches all passes and functions, `foo` matches all passes for functions whose name contains 'foo', `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo', `foo | bar` all passes for function names containing 'foo' or 'bar'. - -Z dump-mir-dataflow=val -- in addition to `.mir` files, create graphviz `.dot` files with dataflow results (default: no) - -Z dump-mir-dir=val -- the directory the MIR is dumped into (default: `mir_dump`) - -Z dump-mir-exclude-pass-number=val -- exclude the pass number when dumping MIR (used in tests) (default: no) - -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) - -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. - -Z dump-mono-stats=val -- output statistics about monomorphization collection - -Z dump-mono-stats-format=val -- the format to use for -Z dump-mono-stats (`markdown` (default) or `json`) - -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) - -Z dylib-lto=val -- enables LTO for dylib crate type - -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) - -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) - -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries - -Z extra-const-ub-checks=val -- turns on more checks to detect const UB, which can be slow (default: no) - -Z fewer-names=val -- reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) (default: no) - -Z force-unstable-if-unmarked=val -- force all crates to be `rustc_private` unstable (default: no) - -Z fuel=val -- set the optimization fuel quota for a crate - -Z function-sections=val -- whether each function should go in its own section - -Z future-incompat-test=val -- forces all lints to be future incompatible, used for internal testing (default: no) - -Z gcc-ld=val -- implementation of ld used by cc - -Z graphviz-dark-mode=val -- use dark-themed colors in graphviz output (default: no) - -Z graphviz-font=val -- use the given `fontname` in graphviz output; can be overridden by setting environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`) - -Z hir-stats=val -- print some statistics about AST and HIR (default: no) - -Z human-readable-cgu-names=val -- generate human-readable, predictable names for codegen units (default: no) - -Z identify-regions=val -- display unnamed regions as `'`, using a non-ident unique id (default: no) - -Z incremental-ignore-spans=val -- ignore spans during ICH computation -- used for testing (default: no) - -Z incremental-info=val -- print high-level information about incremental reuse (or the lack thereof) (default: no) - -Z incremental-relative-spans=val -- hash spans relative to their parent item for incr. comp. (default: no) - -Z incremental-verify-ich=val -- verify incr. comp. hashes of green query instances (default: no) - -Z inline-in-all-cgus=val -- control whether `#[inline]` functions are in all CGUs - -Z inline-llvm=val -- enable LLVM inlining (default: yes) - -Z inline-mir=val -- enable MIR inlining (default: no) - -Z inline-mir-hint-threshold=val -- inlining threshold for functions with inline hint (default: 100) - -Z inline-mir-threshold=val -- a default MIR inlining threshold (default: 50) - -Z input-stats=val -- gather statistics about the input (default: no) - -Z instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: + -Z dump-mir-dataflow=val -- in addition to `.mir` files, create graphviz `.dot` files with dataflow results (default: no) + -Z dump-mir-dir=val -- the directory the MIR is dumped into (default: `mir_dump`) + -Z dump-mir-exclude-pass-number=val -- exclude the pass number when dumping MIR (used in tests) (default: no) + -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) + -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. + -Z dump-mono-stats=val -- output statistics about monomorphization collection + -Z dump-mono-stats-format=val -- the format to use for -Z dump-mono-stats (`markdown` (default) or `json`) + -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) + -Z dylib-lto=val -- enables LTO for dylib crate type + -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) + -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) + -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries + -Z extra-const-ub-checks=val -- turns on more checks to detect const UB, which can be slow (default: no) + -Z fewer-names=val -- reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) (default: no) + -Z force-unstable-if-unmarked=val -- force all crates to be `rustc_private` unstable (default: no) + -Z fuel=val -- set the optimization fuel quota for a crate + -Z function-sections=val -- whether each function should go in its own section + -Z future-incompat-test=val -- forces all lints to be future incompatible, used for internal testing (default: no) + -Z gcc-ld=val -- implementation of ld used by cc + -Z graphviz-dark-mode=val -- use dark-themed colors in graphviz output (default: no) + -Z graphviz-font=val -- use the given `fontname` in graphviz output; can be overridden by setting environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`) + -Z hir-stats=val -- print some statistics about AST and HIR (default: no) + -Z human-readable-cgu-names=val -- generate human-readable, predictable names for codegen units (default: no) + -Z identify-regions=val -- display unnamed regions as `'`, using a non-ident unique id (default: no) + -Z incremental-ignore-spans=val -- ignore spans during ICH computation -- used for testing (default: no) + -Z incremental-info=val -- print high-level information about incremental reuse (or the lack thereof) (default: no) + -Z incremental-relative-spans=val -- hash spans relative to their parent item for incr. comp. (default: no) + -Z incremental-verify-ich=val -- verify incr. comp. hashes of green query instances (default: no) + -Z inline-in-all-cgus=val -- control whether `#[inline]` functions are in all CGUs + -Z inline-llvm=val -- enable LLVM inlining (default: yes) + -Z inline-mir=val -- enable MIR inlining (default: no) + -Z inline-mir-hint-threshold=val -- inlining threshold for functions with inline hint (default: 100) + -Z inline-mir-threshold=val -- a default MIR inlining threshold (default: 50) + -Z input-stats=val -- gather statistics about the input (default: no) + -Z instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: `=all` (implicit value) `=except-unused-generics` `=except-unused-functions` `=off` (default) - -Z instrument-mcount=val -- insert function instrument code for mcount-based tracing (default: no) - -Z instrument-xray=val -- insert function instrument code for XRay-based tracing (default: no) + -Z instrument-mcount=val -- insert function instrument code for mcount-based tracing (default: no) + -Z instrument-xray=val -- insert function instrument code for XRay-based tracing (default: no) Optional extra settings: `=always` `=never` @@ -79,125 +79,124 @@ `=skip-entry` `=skip-exit` Multiple options can be combined with commas. - -Z keep-hygiene-data=val -- keep hygiene data after analysis (default: no) - -Z layout-seed=val -- seed layout randomization - -Z link-native-libraries=val -- link native libraries in the linker invocation (default: yes) - -Z link-only=val -- link the `.rlink` file generated by `-Z no-link` (default: no) - -Z llvm-plugins=val -- a list LLVM plugins to enable (space separated) - -Z llvm-time-trace=val -- generate JSON tracing data file from LLVM data (default: no) - -Z location-detail=val -- what location details should be tracked when using caller_location, either `none`, or a comma separated list of location details, for which valid options are `file`, `line`, and `column` (default: `file,line,column`) - -Z ls=val -- list the symbols defined by a library crate (default: no) - -Z macro-backtrace=val -- show macro backtraces (default: no) - -Z maximal-hir-to-mir-coverage=val -- save as much information as possible about the correspondence between MIR and HIR as source scopes (default: no) - -Z merge-functions=val -- control the operation of the MergeFunctions LLVM pass, taking the same values as the target option of the same name - -Z meta-stats=val -- gather metadata statistics (default: no) - -Z mir-emit-retag=val -- emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 (default: no) - -Z mir-enable-passes=val -- use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be enabled, overriding all other checks. Passes that are not specified are enabled or disabled by other flags as usual. - -Z mir-opt-level=val -- MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds) - -Z mir-pretty-relative-line-numbers=val -- use line numbers relative to the function in mir pretty printing - -Z move-size-limit=val -- the size at which the `large_assignments` lint starts to be emitted - -Z mutable-noalias=val -- emit noalias metadata for mutable references (default: yes) - -Z nll-facts=val -- dump facts from NLL analysis into side files (default: no) - -Z nll-facts-dir=val -- the directory the NLL facts are dumped into (default: `nll-facts`) - -Z no-analysis=val -- parse and expand the source, but run no analysis - -Z no-codegen=val -- run all passes except codegen; no output - -Z no-generate-arange-section=val -- omit DWARF address ranges that give faster lookups - -Z no-jump-tables=val -- disable the jump tables and lookup tables that can be generated from a switch case lowering - -Z no-leak-check=val -- disable the 'leak check' for subtyping; unsound, but useful for tests - -Z no-link=val -- compile without linking - -Z no-parallel-llvm=val -- run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO) - -Z no-profiler-runtime=val -- prevent automatic injection of the profiler_builtins crate - -Z no-unique-section-names=val -- do not use unique names for text and data sections when -Z function-sections is used - -Z normalize-docs=val -- normalize associated items in rustdoc when generating documentation - -Z oom=val -- panic strategy for out-of-memory handling - -Z osx-rpath-install-name=val -- pass `-install_name @rpath/...` to the macOS linker (default: no) - -Z packed-bundled-libs=val -- change rlib format to store native libraries as archives - -Z panic-abort-tests=val -- support compiling tests with panic=abort (default: no) - -Z panic-in-drop=val -- panic strategy for panics in drops - -Z parse-only=val -- parse only; do not compile, assemble, or link (default: no) - -Z perf-stats=val -- print some performance-related statistics (default: no) - -Z pick-stable-methods-before-any-unstable=val -- try to pick stable methods first before picking any unstable methods (default: yes) - -Z plt=val -- whether to use the PLT when calling into shared libraries; + -Z keep-hygiene-data=val -- keep hygiene data after analysis (default: no) + -Z layout-seed=val -- seed layout randomization + -Z link-native-libraries=val -- link native libraries in the linker invocation (default: yes) + -Z link-only=val -- link the `.rlink` file generated by `-Z no-link` (default: no) + -Z llvm-plugins=val -- a list LLVM plugins to enable (space separated) + -Z llvm-time-trace=val -- generate JSON tracing data file from LLVM data (default: no) + -Z location-detail=val -- what location details should be tracked when using caller_location, either `none`, or a comma separated list of location details, for which valid options are `file`, `line`, and `column` (default: `file,line,column`) + -Z ls=val -- list the symbols defined by a library crate (default: no) + -Z macro-backtrace=val -- show macro backtraces (default: no) + -Z maximal-hir-to-mir-coverage=val -- save as much information as possible about the correspondence between MIR and HIR as source scopes (default: no) + -Z merge-functions=val -- control the operation of the MergeFunctions LLVM pass, taking the same values as the target option of the same name + -Z meta-stats=val -- gather metadata statistics (default: no) + -Z mir-emit-retag=val -- emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 (default: no) + -Z mir-enable-passes=val -- use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be enabled, overriding all other checks. Passes that are not specified are enabled or disabled by other flags as usual. + -Z mir-opt-level=val -- MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds) + -Z mir-pretty-relative-line-numbers=val -- use line numbers relative to the function in mir pretty printing + -Z move-size-limit=val -- the size at which the `large_assignments` lint starts to be emitted + -Z mutable-noalias=val -- emit noalias metadata for mutable references (default: yes) + -Z nll-facts=val -- dump facts from NLL analysis into side files (default: no) + -Z nll-facts-dir=val -- the directory the NLL facts are dumped into (default: `nll-facts`) + -Z no-analysis=val -- parse and expand the source, but run no analysis + -Z no-codegen=val -- run all passes except codegen; no output + -Z no-generate-arange-section=val -- omit DWARF address ranges that give faster lookups + -Z no-jump-tables=val -- disable the jump tables and lookup tables that can be generated from a switch case lowering + -Z no-leak-check=val -- disable the 'leak check' for subtyping; unsound, but useful for tests + -Z no-link=val -- compile without linking + -Z no-parallel-llvm=val -- run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO) + -Z no-profiler-runtime=val -- prevent automatic injection of the profiler_builtins crate + -Z no-unique-section-names=val -- do not use unique names for text and data sections when -Z function-sections is used + -Z normalize-docs=val -- normalize associated items in rustdoc when generating documentation + -Z oom=val -- panic strategy for out-of-memory handling + -Z osx-rpath-install-name=val -- pass `-install_name @rpath/...` to the macOS linker (default: no) + -Z packed-bundled-libs=val -- change rlib format to store native libraries as archives + -Z panic-abort-tests=val -- support compiling tests with panic=abort (default: no) + -Z panic-in-drop=val -- panic strategy for panics in drops + -Z parse-only=val -- parse only; do not compile, assemble, or link (default: no) + -Z perf-stats=val -- print some performance-related statistics (default: no) + -Z plt=val -- whether to use the PLT when calling into shared libraries; only has effect for PIC code on systems with ELF binaries (default: PLT is disabled if full relro is enabled) - -Z polonius=val -- enable polonius-based borrow-checker (default: no) - -Z polymorphize=val -- perform polymorphization analysis - -Z pre-link-arg=val -- a single extra argument to prepend the linker invocation (can be used several times) - -Z pre-link-args=val -- extra arguments to prepend to the linker invocation (space separated) - -Z precise-enum-drop-elaboration=val -- use a more precise version of drop elaboration for matches on enums (default: yes). This results in better codegen, but has caused miscompilations on some tier 2 platforms. See #77382 and #74551. - -Z print-fuel=val -- make rustc print the total optimization fuel used by a crate - -Z print-llvm-passes=val -- print the LLVM optimization passes being run (default: no) - -Z print-mono-items=val -- print the result of the monomorphization collection pass - -Z print-type-sizes=val -- print layout information for each type encountered (default: no) - -Z proc-macro-backtrace=val -- show backtraces for panics during proc-macro execution (default: no) - -Z proc-macro-execution-strategy=val -- how to run proc-macro code (default: same-thread) - -Z profile=val -- insert profiling code (default: no) - -Z profile-closures=val -- profile size of closures - -Z profile-emit=val -- file path to emit profiling data at runtime when using 'profile' (default based on relative source path) - -Z profile-sample-use=val -- use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO) - -Z profiler-runtime=val -- name of the profiler runtime crate to automatically inject (default: `profiler_builtins`) - -Z query-dep-graph=val -- enable queries of the dependency graph for regression testing (default: no) - -Z randomize-layout=val -- randomize the layout of types (default: no) - -Z relax-elf-relocations=val -- whether ELF relocations can be relaxed - -Z relro-level=val -- choose which RELRO level to use - -Z remap-cwd-prefix=val -- remap paths under the current working directory to this path prefix - -Z report-delayed-bugs=val -- immediately print bugs registered with `delay_span_bug` (default: no) - -Z sanitizer=val -- use a sanitizer - -Z sanitizer-memory-track-origins=val -- enable origins tracking in MemorySanitizer - -Z sanitizer-recover=val -- enable recovery for selected sanitizers - -Z saturating-float-casts=val -- make float->int casts UB-free: numbers outside the integer type's range are clipped to the max/min integer respectively, and NaN is mapped to 0 (default: yes) - -Z self-profile=val -- run the self profiler and output the raw event data - -Z self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of: + -Z polonius=val -- enable polonius-based borrow-checker (default: no) + -Z polymorphize=val -- perform polymorphization analysis + -Z pre-link-arg=val -- a single extra argument to prepend the linker invocation (can be used several times) + -Z pre-link-args=val -- extra arguments to prepend to the linker invocation (space separated) + -Z precise-enum-drop-elaboration=val -- use a more precise version of drop elaboration for matches on enums (default: yes). This results in better codegen, but has caused miscompilations on some tier 2 platforms. See #77382 and #74551. + -Z print-fuel=val -- make rustc print the total optimization fuel used by a crate + -Z print-llvm-passes=val -- print the LLVM optimization passes being run (default: no) + -Z print-mono-items=val -- print the result of the monomorphization collection pass + -Z print-type-sizes=val -- print layout information for each type encountered (default: no) + -Z proc-macro-backtrace=val -- show backtraces for panics during proc-macro execution (default: no) + -Z proc-macro-execution-strategy=val -- how to run proc-macro code (default: same-thread) + -Z profile=val -- insert profiling code (default: no) + -Z profile-closures=val -- profile size of closures + -Z profile-emit=val -- file path to emit profiling data at runtime when using 'profile' (default based on relative source path) + -Z profile-sample-use=val -- use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO) + -Z profiler-runtime=val -- name of the profiler runtime crate to automatically inject (default: `profiler_builtins`) + -Z query-dep-graph=val -- enable queries of the dependency graph for regression testing (default: no) + -Z randomize-layout=val -- randomize the layout of types (default: no) + -Z relax-elf-relocations=val -- whether ELF relocations can be relaxed + -Z relro-level=val -- choose which RELRO level to use + -Z remap-cwd-prefix=val -- remap paths under the current working directory to this path prefix + -Z report-delayed-bugs=val -- immediately print bugs registered with `delay_span_bug` (default: no) + -Z sanitizer=val -- use a sanitizer + -Z sanitizer-memory-track-origins=val -- enable origins tracking in MemorySanitizer + -Z sanitizer-recover=val -- enable recovery for selected sanitizers + -Z saturating-float-casts=val -- make float->int casts UB-free: numbers outside the integer type's range are clipped to the max/min integer respectively, and NaN is mapped to 0 (default: yes) + -Z self-profile=val -- run the self profiler and output the raw event data + -Z self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of: `wall-time` (monotonic clock, i.e. `std::time::Instant`) `instructions:u` (retired instructions, userspace-only) `instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy) - -Z self-profile-events=val -- specify the events recorded by the self profiler; + -Z self-profile-events=val -- specify the events recorded by the self profiler; for example: `-Z self-profile-events=default,query-keys` all options: none, all, default, generic-activity, query-provider, query-cache-hit query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes - -Z share-generics=val -- make the current crate share its generic instantiations - -Z show-span=val -- show spans for compiler debugging (expr|pat|ty) - -Z simulate-remapped-rust-src-base=val -- simulate the effect of remap-debuginfo = true at bootstrapping by remapping path to rust's source base directory. only meant for testing purposes - -Z span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span` - -Z span-free-formats=val -- exclude spans when debug-printing compiler state (default: no) - -Z split-dwarf-inlining=val -- provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF - -Z split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) + -Z share-generics=val -- make the current crate share its generic instantiations + -Z show-span=val -- show spans for compiler debugging (expr|pat|ty) + -Z simulate-remapped-rust-src-base=val -- simulate the effect of remap-debuginfo = true at bootstrapping by remapping path to rust's source base directory. only meant for testing purposes + -Z span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span` + -Z span-free-formats=val -- exclude spans when debug-printing compiler state (default: no) + -Z split-dwarf-inlining=val -- provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF + -Z split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) (default: `split`) `split`: sections which do not require relocation are written into a DWARF object (`.dwo`) file which is ignored by the linker `single`: sections which do not require relocation are written into object file but ignored by the linker - -Z src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`) - -Z stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details) - -Z strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB - -Z strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) - -Z symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') - -Z teach=val -- show extended diagnostic help (default: no) - -Z temps-dir=val -- the directory the intermediate files are written to - -Z terminal-urls=val -- use the OSC 8 hyperlink terminal specification to print hyperlinks in the compiler output - -Z thinlto=val -- enable ThinLTO when possible - -Z thir-unsafeck=val -- use the THIR unsafety checker (default: no) - -Z threads=val -- use a thread pool with N threads - -Z time-llvm-passes=val -- measure time of each LLVM pass (default: no) - -Z time-passes=val -- measure time of each rustc pass (default: no) - -Z tiny-const-eval-limit=val -- sets a tiny, non-configurable limit for const eval; useful for compiler tests - -Z tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details) - -Z trace-macros=val -- for every macro invocation, print its name and arguments (default: no) - -Z track-diagnostics=val -- tracks where in rustc a diagnostic was emitted - -Z trait-solver=val -- specify the trait solver mode used by rustc (default: classic) - -Z translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation) - -Z translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics - -Z translate-lang=val -- language identifier for diagnostic output - -Z translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes) - -Z trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes) - -Z treat-err-as-bug=val -- treat error number `val` that occurs as bug - -Z trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items - -Z tune-cpu=val -- select processor to schedule for (`rustc --print target-cpus` for details) - -Z ui-testing=val -- emit compiler diagnostics in a form suitable for UI testing (default: no) - -Z uninit-const-chunk-threshold=val -- allow generating const initializers with mixed init/uninit chunks, and set the maximum number of chunks for which this is allowed (default: 16) - -Z unleash-the-miri-inside-of-you=val -- take the brakes off const evaluation. NOTE: this is unsound (default: no) - -Z unpretty=val -- present the input source, unstable (and less-pretty) variants; + -Z src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`) + -Z stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details) + -Z strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB + -Z strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) + -Z symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') + -Z teach=val -- show extended diagnostic help (default: no) + -Z temps-dir=val -- the directory the intermediate files are written to + -Z terminal-urls=val -- use the OSC 8 hyperlink terminal specification to print hyperlinks in the compiler output + -Z thinlto=val -- enable ThinLTO when possible + -Z thir-unsafeck=val -- use the THIR unsafety checker (default: no) + -Z threads=val -- use a thread pool with N threads + -Z time-llvm-passes=val -- measure time of each LLVM pass (default: no) + -Z time-passes=val -- measure time of each rustc pass (default: no) + -Z tiny-const-eval-limit=val -- sets a tiny, non-configurable limit for const eval; useful for compiler tests + -Z tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details) + -Z trace-macros=val -- for every macro invocation, print its name and arguments (default: no) + -Z track-diagnostics=val -- tracks where in rustc a diagnostic was emitted + -Z trait-solver=val -- specify the trait solver mode used by rustc (default: classic) + -Z translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation) + -Z translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics + -Z translate-lang=val -- language identifier for diagnostic output + -Z translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes) + -Z trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes) + -Z treat-err-as-bug=val -- treat error number `val` that occurs as bug + -Z trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items + -Z tune-cpu=val -- select processor to schedule for (`rustc --print target-cpus` for details) + -Z ui-testing=val -- emit compiler diagnostics in a form suitable for UI testing (default: no) + -Z uninit-const-chunk-threshold=val -- allow generating const initializers with mixed init/uninit chunks, and set the maximum number of chunks for which this is allowed (default: 16) + -Z unleash-the-miri-inside-of-you=val -- take the brakes off const evaluation. NOTE: this is unsound (default: no) + -Z unpretty=val -- present the input source, unstable (and less-pretty) variants; `normal`, `identified`, `expanded`, `expanded,identified`, `expanded,hygiene` (with internal representations), @@ -207,11 +206,11 @@ `hir,typed` (HIR with types for each node), `hir-tree` (dump the raw HIR), `mir` (the MIR), or `mir-cfg` (graphviz formatted MIR) - -Z unsound-mir-opts=val -- enable unsound and buggy MIR optimizations (default: no) - -Z unstable-options=val -- adds unstable command line options to rustc interface (default: no) - -Z use-ctors-section=val -- use legacy .ctors section for initializers rather than .init_array - -Z validate-mir=val -- validate MIR after each transformation - -Z verbose=val -- in general, enable more debug printouts (default: no) - -Z verify-llvm-ir=val -- verify LLVM IR (default: no) - -Z virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]` - -Z wasi-exec-model=val -- whether to build a wasi command or reactor + -Z unsound-mir-opts=val -- enable unsound and buggy MIR optimizations (default: no) + -Z unstable-options=val -- adds unstable command line options to rustc interface (default: no) + -Z use-ctors-section=val -- use legacy .ctors section for initializers rather than .init_array + -Z validate-mir=val -- validate MIR after each transformation + -Z verbose=val -- in general, enable more debug printouts (default: no) + -Z verify-llvm-ir=val -- verify LLVM IR (default: no) + -Z virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]` + -Z wasi-exec-model=val -- whether to build a wasi command or reactor