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Rollup of 8 pull requests #78697

Merged
merged 26 commits into from
Nov 3, 2020
Merged

Rollup of 8 pull requests #78697

merged 26 commits into from
Nov 3, 2020

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JohnTitor
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Successful merges:

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r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

GuillaumeGomez and others added 26 commits October 26, 2020 21:34
No functional changes intended.
Fixes rust-lang#78660

With PR rust-lang#75534 merged, we now run
more lint-related code for future-incompat-report, even when their final
level is Allow. Some lint-related code was not expecting `Level::Allow`,
and had an explicit panic.

This PR explicitly tracks the lint level set on the command line before
`--cap-lints` is applied. This is used to emit a more precise error
note (e.g. we don't say that `-W lint-name` was specified on the
command line just because a lint was capped to Warn). As a result, we
can now correctly emit a note that `-A` was used if we got
`Level::Allow` from the command line (before the cap is applied).
I noticed that it is pointing to the same link when I was reading
rust-lang/rust-clippy#2997
See rust-lang#61733 (comment)

We now preserve the trailing semicolon in a macro invocation, even if
the macro expands to nothing. As a result, the following code no longer
compiles:

```rust
macro_rules! empty {
    () => { }
}

fn foo() -> bool { //~ ERROR mismatched
    { true } //~ ERROR mismatched
    empty!();
}
```

Previously, `{ true }` would be considered the trailing expression, even
though there's a semicolon in `empty!();`

This makes macro expansion more token-based.
Co-authored-by: Jonas Schievink <[email protected]>
…expr, r=petrochenkov

Treat trailing semicolon as a statement in macro call

See rust-lang#61733 (comment)

We now preserve the trailing semicolon in a macro invocation, even if
the macro expands to nothing. As a result, the following code no longer
compiles:

```rust
macro_rules! empty {
    () => { }
}

fn foo() -> bool { //~ ERROR mismatched
    { true } //~ ERROR mismatched
    empty!();
}
```

Previously, `{ true }` would be considered the trailing expression, even
though there's a semicolon in `empty!();`

This makes macro expansion more token-based.
…ron1011

Add a test for compiletest rustc-env & unset-rustc-env directives

... and move compiletest meta tests into a separate directory.
…r=tmandry

Document -Zinstrument-coverage

r? ``@tmandry``
FYI ``@wesleywiser``

Here is my proposed document for LLVM source-based code coverage.

I based it on the `profile.md` page, in the same directory, and on the Clang guide for LLVM source-based coverage.
…tmandry

Fix ICE when a future-incompat-report has its command-line level capped

Fixes rust-lang#78660

With PR rust-lang#75534 merged, we now run
more lint-related code for future-incompat-report, even when their final
level is Allow. Some lint-related code was not expecting `Level::Allow`,
and had an explicit panic.

This PR explicitly tracks the lint level set on the command line before
`--cap-lints` is applied. This is used to emit a more precise error
note (e.g. we don't say that `-W lint-name` was specified on the
command line just because a lint was capped to Warn). As a result, we
can now correctly emit a note that `-A` was used if we got
`Level::Allow` from the command line (before the cap is applied).
Fix intrinsic size_of stable link

I noticed that it is pointing to the same link when I was reading
rust-lang/rust-clippy#2997
inliner: Remove redundant loop

No functional changes intended.
…s-schievink

add mipsel-unknown-none target

This adds a target for bare MIPS32r2, little endian, softfloat. This target can be used for PIC32 microcontrollers (or possibly for other devices that have a MIPS MCU core such as the M4K core).

Tried to find a name for the target that is in line with the naming scheme apparently used for the other MIPS targets.

r? `@jonas-schievink`
@rustbot rustbot added the rollup A PR which is a rollup label Nov 3, 2020
@JohnTitor
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@bors r+ rollup=never p=5

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bors commented Nov 3, 2020

📌 Commit 1cb137b has been approved by JohnTitor

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Nov 3, 2020
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bors commented Nov 3, 2020

⌛ Testing commit 1cb137b with merge d662f80...

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bors commented Nov 3, 2020

☀️ Test successful - checks-actions
Approved by: JohnTitor
Pushing d662f80 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Nov 3, 2020
@bors bors merged commit d662f80 into rust-lang:master Nov 3, 2020
@rustbot rustbot added this to the 1.49.0 milestone Nov 3, 2020
@JohnTitor JohnTitor deleted the rollup-q0fchpv branch November 3, 2020 12:32
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9 participants