[PATCH] D122271: [Clang] -Wunused-but-set-variable warning - handle also pre/post unary operators

Mon Mar 28 22:07:48 PDT 2022

uabelho added a comment.

Hi,

I noticed these to warning when compiling libunwind/src/UnwindLevel1.c with this patch:

  00:22:48 /repo/bbiswjenk/fem2s10-eiffel176/workspace/llvm/sdk_1_20_ki_dev_test/libunwind/src/UnwindLevel1.c:175:12: warning: variable 'framesWalked' set but not used [-Wunused-but-set-variable]
  00:22:48   unsigned framesWalked = 1;
  00:22:48            ^
  00:22:48 /repo/bbiswjenk/fem2s10-eiffel176/workspace/llvm/sdk_1_20_ki_dev_test/libunwind/src/UnwindLevel1.c:293:12: warning: variable 'framesWalked' set but not used [-Wunused-but-set-variable]
  00:22:48   unsigned framesWalked = 1;
  00:22:48            ^
  00:22:48 2 warnings generated.

Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D122271