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authorbors <bors@rust-lang.org>2020-10-26 18:50:22 +0000
committerbors <bors@rust-lang.org>2020-10-26 18:50:22 +0000
commit0da6d42f297642a60f2640ec313b879b376b9ad8 (patch)
treed6272e429e289507cfb80fbb588f98ca468a4c7a /compiler/rustc_errors/src/snippet.rs
parent35debd4c111610317346f46d791f32551d449bd8 (diff)
parent2b3f00928c3b0db93c87d462a53c9f0df98f3e27 (diff)
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Auto merge of #68965 - eddyb:mir-inline-scope, r=nagisa,oli-obk
 rustc_mir: track inlined callees in SourceScopeData.

We now record which MIR scopes are the roots of *other* (inlined) functions's scope trees, which allows us to generate the correct debuginfo in codegen, similar to what LLVM inlining generates.
This PR makes the `ui` test `backtrace-debuginfo` pass, if the MIR inliner is turned on by default.

Also, `#[track_caller]` is now correct in the face of MIR inlining (cc `@anp).`

Fixes #76997.

r? `@rust-lang/wg-mir-opt`
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