[all-commits] [llvm/llvm-project] 220e77: [clang][CodeGenPGO] Don't use an invalid index whe...
Nathan Lanza via All-commits
all-commits at lists.llvm.org
Wed May 10 20:00:37 PDT 2023
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 220e77a83af19b3f6c47472596fdaaef8e305927
https://github.com/llvm/llvm-project/commit/220e77a83af19b3f6c47472596fdaaef8e305927
Author: Nathan Lanza <nathanlanza at gmail.com>
Date: 2023-05-10 (Wed, 10 May 2023)
Changed paths:
M clang/lib/CodeGen/CodeGenPGO.h
Log Message:
-----------
[clang][CodeGenPGO] Don't use an invalid index when region counts disagree
If we're using an old instrprof profile and the user passes we can get
Decls with children decl counts not matching the what the profile was
written against. In a particular case I was debugging we have 24 decls
in the AST and 22 decls in the profile. Avoid crashing in this case.
Differential Revision: https://reviews.llvm.org/D149504
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