[all-commits] [llvm/llvm-project] b10565: [Sample Profile Reader] Fix potential integer over...

[William Junda Huang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b105656207143001b2daa8ce4d2cbc09bcc9cf91
      https://github.com/llvm/llvm-project/commit/b105656207143001b2daa8ce4d2cbc09bcc9cf91
  Author: William Huang <williamjhuang at google.com>
  Date:   2022-08-23 (Tue, 23 Aug 2022)

  Changed paths:
    M llvm/lib/ProfileData/SampleProfReader.cpp

  Log Message:
  -----------
  [Sample Profile Reader] Fix potential integer overflow/infinite loop bug in sample profile reader

Change loop induction variable type to match the type of "SIZE" where it's compared against, to prevent infinite loop caused by overflow wraparound if there are more than 2^32 samples

Reviewed By: wenlei

Differential Revision: https://reviews.llvm.org/D132493