[all-commits] [llvm/llvm-project] 33676b: [clang][Interp] Fix variable initialization in ina...

[Timm Baeder via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 33676ba543737f8e286e28a9cae81a848bdd3f09
      https://github.com/llvm/llvm-project/commit/33676ba543737f8e286e28a9cae81a848bdd3f09
  Author: Timm Bäder <tbaeder at redhat.com>
  Date:   2024-06-24 (Mon, 24 Jun 2024)

  Changed paths:
    M clang/lib/AST/Interp/ByteCodeEmitter.h
    M clang/lib/AST/Interp/ByteCodeExprGen.cpp
    M clang/lib/AST/Interp/ByteCodeExprGen.h
    M clang/lib/AST/Interp/EvalEmitter.h
    M clang/test/AST/Interp/c.c

  Log Message:
  -----------
  [clang][Interp] Fix variable initialization in inactive regions

When the EvalEmitter is inactive, it will simply not evaluate
any of the operations we emit via emit*. However, it will still
allocate variables. So the variables will be allocated, but we
won't evaluate their initializer, so later when we see the variable
again, it is uninitialized.

Stop creating variables in that case.



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