Add regression test for debuginfo + LTO · rust-lang/rust@deeba34 (original) (raw)

4 files changed

lines changed

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	1	+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
	2	+// file at the top-level directory of this distribution and at
	3	+// http://rust-lang.org/COPYRIGHT.
	4	+//
	5	+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	6	+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	7	+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	8	+// option. This file may not be copied, modified, or distributed
	9	+// except according to those terms.
	10	+
	11	+// compile-flags: -g --crate-type=rlib
	12	+
	13	+pub struct StructWithLifetime<'a>(&'a i32);
	14	+pub fn mk_struct_with_lt<'a>(x: &'a i32) -> StructWithLifetime<'a> {
	15	+StructWithLifetime(x)
	16	+}
	17	+
	18	+pub struct RegularStruct(u32);
	19	+pub fn mk_regular_struct(x: u32) -> RegularStruct {
	20	+RegularStruct(x)
	21	+}
	22	+
	23	+pub fn take_fn(f: fn(i32) -> i32, x: i32) -> i32 {
	24	+f(x)
	25	+}
	26	+
	27	+pub fn with_closure(x: i32) -> i32 {
	28	+let closure = \|i
	29	+
	30	+closure(1) + closure(2)
	31	+}
	32	+
	33	+pub fn generic_fn<T>(x: T) -> (T, u32) {
	34	+(x, 1)
	35	+}
	36	+
	37	+pub fn user_of_generic_fn(x: f32) -> (f32, u32) {
	38	+generic_fn(x)
	39	+}

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@@ -8,7 +8,7 @@
8	8	// option. This file may not be copied, modified, or distributed
9	9	// except according to those terms.
10	10
11		-// compile-flags: -C codegen-units=3 --crate-type=rlib,dylib
	11	+// compile-flags: -C codegen-units=3 --crate-type=rlib,dylib -g
12	12
13	13	pub mod a {
14	14	pub fn one() -> usize {

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	1	+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
	2	+// file at the top-level directory of this distribution and at
	3	+// http://rust-lang.org/COPYRIGHT.
	4	+//
	5	+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	6	+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	7	+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	8	+// option. This file may not be copied, modified, or distributed
	9	+// except according to those terms.
	10	+
	11	+// This test case makes sure that we don't run into LLVM's dreaded
	12	+// "possible ODR violation" assertion when compiling with LTO + Debuginfo.
	13	+// It covers cases that have traditionally been prone to cause this error.
	14	+// If new cases emerge, add them to this file.
	15	+
	16	+// aux-build:debuginfo-lto-aux.rs
	17	+// compile-flags: -C lto -g
	18	+// no-prefer-dynamic
	19	+
	20	+extern crate debuginfo_lto_aux;
	21	+
	22	+fn some_fn(x: i32) -> i32 {
	23	+ x + 1
	24	+}
	25	+
	26	+fn main() {
	27	+let i = 0;
	28	+let _ = debuginfo_lto_aux::mk_struct_with_lt(&i);
	29	+let _ = debuginfo_lto_aux::mk_regular_struct(1);
	30	+let _ = debuginfo_lto_aux::take_fn(some_fn, 1);
	31	+let _ = debuginfo_lto_aux::with_closure(22);
	32	+let _ = debuginfo_lto_aux::generic_fn(0f32);
	33	+}