[all-commits] [llvm/llvm-project] 9c99e9: [BOLT] Fix a bug related to iterators in ReorderDa...

sinan via All-commits all-commits at lists.llvm.org
Wed Aug 30 20:15:55 PDT 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9c99e9fd684f222f6102090ae3e7f54f053909a3
  Author: Sinan Lin <sinan.lin at linux.alibaba.com>
  Date:   2023-08-31 (Thu, 31 Aug 2023)

  Changed paths:
    M bolt/lib/Passes/ReorderData.cpp

  Log Message:
  [BOLT] Fix a bug related to iterators in ReorderData pass

If `Itr` is the last element and then `std::next(Itr)` will be
`Range.end()`, so that the statement `std::next(Itr)->second` is
a UB.

Reviewed By: yota9, maksfb

Differential Revision: https://reviews.llvm.org/D159177

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