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Rollup merge of rust-lang#23074 - michaelwoerister:constants-debug-lo…
…cs, r=alexcrichton With this PR in-place constants are handled correctly with respect to debug location assignment. The PR also adds an (unrelated) test case for debug locations in `extern \"C\"` functions. Fixes rust-lang#22432
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// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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// ignore-android: FIXME(#10381) | ||
// min-lldb-version: 310 | ||
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// compile-flags:-g | ||
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#![allow(unused_variables)] | ||
#![allow(dead_code)] | ||
#![omit_gdb_pretty_printer_section] | ||
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// This test makes sure that the compiler doesn't crash when trying to assign | ||
// debug locations to const-expressions. | ||
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use std::sync::MUTEX_INIT; | ||
use std::cell::UnsafeCell; | ||
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const CONSTANT: u64 = 3 + 4; | ||
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struct Struct { | ||
a: isize, | ||
b: usize, | ||
} | ||
const STRUCT: Struct = Struct { a: 1, b: 2 }; | ||
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struct TupleStruct(u32); | ||
const TUPLE_STRUCT: TupleStruct = TupleStruct(4); | ||
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enum Enum { | ||
Variant1(char), | ||
Variant2 { a: u8 }, | ||
Variant3 | ||
} | ||
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const VARIANT1: Enum = Enum::Variant1('v'); | ||
const VARIANT2: Enum = Enum::Variant2 { a: 2 }; | ||
const VARIANT3: Enum = Enum::Variant3; | ||
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const STRING: &'static str = "String"; | ||
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const VEC: [u32; 8] = [0; 8]; | ||
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const NESTED: (Struct, TupleStruct) = (STRUCT, TUPLE_STRUCT); | ||
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const UNSAFE_CELL: UnsafeCell<bool> = UnsafeCell { value: false }; | ||
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fn main() { | ||
let mut _constant = CONSTANT; | ||
let mut _struct = STRUCT; | ||
let mut _tuple_struct = TUPLE_STRUCT; | ||
let mut _variant1 = VARIANT1; | ||
let mut _variant2 = VARIANT2; | ||
let mut _variant3 = VARIANT3; | ||
let mut _string = STRING; | ||
let mut _vec = VEC; | ||
let mut _nested = NESTED; | ||
let mut _extern = MUTEX_INIT; | ||
let mut _unsafe_cell = UNSAFE_CELL; | ||
} |
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// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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// min-lldb-version: 310 | ||
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// compile-flags:-g | ||
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// === GDB TESTS =================================================================================== | ||
// gdb-command:run | ||
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// gdb-command:print s | ||
// gdb-check:$1 = [...]"abcd" | ||
// gdb-command:print len | ||
// gdb-check:$2 = 20 | ||
// gdb-command:print local0 | ||
// gdb-check:$3 = 19 | ||
// gdb-command:print local1 | ||
// gdb-check:$4 = true | ||
// gdb-command:print local2 | ||
// gdb-check:$5 = 20.5 | ||
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// gdb-command:continue | ||
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// === LLDB TESTS ================================================================================== | ||
// lldb-command:run | ||
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// lldb-command:print len | ||
// lldb-check:[...]$0 = 20 | ||
// lldb-command:print local0 | ||
// lldb-check:[...]$1 = 19 | ||
// lldb-command:print local1 | ||
// lldb-check:[...]$2 = true | ||
// lldb-command:print local2 | ||
// lldb-check:[...]$3 = 20.5 | ||
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// lldb-command:continue | ||
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#![allow(unused_variables)] | ||
#![allow(dead_code)] | ||
#![omit_gdb_pretty_printer_section] | ||
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#[no_mangle] | ||
pub unsafe extern "C" fn fn_with_c_abi(s: *const u8, len: i32) -> i32 { | ||
let local0 = len - 1; | ||
let local1 = len > 2; | ||
let local2 = (len as f64) + 0.5; | ||
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zzz(); // #break | ||
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return 0; | ||
} | ||
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fn main() { | ||
unsafe { | ||
fn_with_c_abi(b"abcd\0".as_ptr(), 20); | ||
} | ||
} | ||
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#[inline(never)] | ||
fn zzz() {()} |