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| author | Kyle Huey <khuey@kylehuey.com> | 2024-08-19 17:13:30 -0700 |
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| committer | Kyle Huey <khuey@kylehuey.com> | 2024-08-19 17:13:30 -0700 |
| commit | 4e9725cd2f5327f65f881c59d6bcbae46308318e (patch) | |
| tree | 6639bc753ae411d6ce6179baf508de4742e9ccbb /compiler/rustc_codegen_llvm/src | |
| parent | 3c735a00f70c8c3df737eb18494e9eb9c6196971 (diff) | |
| download | rust-4e9725cd2f5327f65f881c59d6bcbae46308318e.tar.gz rust-4e9725cd2f5327f65f881c59d6bcbae46308318e.zip | |
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Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/debuginfo/mod.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 66dd653bb21..3fbaebe28aa 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -570,6 +570,11 @@ impl<'ll, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> { inlined_at: Option<&'ll DILocation>, span: Span, ) -> &'ll DILocation { + // When emitting debugging information, DWARF (i.e. everything but MSVC) + // treats line 0 as a magic value meaning that the code could not be + // attributed to any line in the source. That's also exactly what dummy + // spans are. Make that equivalence here, rather than passing dummy spans + // to lookup_debug_loc, which will return line 1 for them. let (line, col) = if span.is_dummy() && !self.sess().target.is_like_msvc { (0, 0) } else { |