[all-commits] [llvm/llvm-project] 38ad96: [sanitizer] Fix shift UB in LEB128 test

Nikita Popov via All-commits all-commits at lists.llvm.org
Wed Jun 8 05:21:44 PDT 2022


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 38ad963cc9998c5b60bde8253670237eebc8ca74
      https://github.com/llvm/llvm-project/commit/38ad963cc9998c5b60bde8253670237eebc8ca74
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-06-08 (Wed, 08 Jun 2022)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/tests/sanitizer_leb128_test.cpp

  Log Message:
  -----------
  [sanitizer] Fix shift UB in LEB128 test

If u64 and uptr have the same size, then this will perform a shift
by the bitwidth, which is UB. We only need this code if uptr is
smaller than u64.




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