[all-commits] [llvm/llvm-project] 6ab9f1: [Driver] Fix -fsanitize-address-stack-use-after-sc...

Fangrui Song via All-commits all-commits at lists.llvm.org
Mon Feb 6 12:54:46 PST 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ab9f1e59371fe96ca3fda1a26a28ae0b7caf637
  Author: Fangrui Song <i at maskray.me>
  Date:   2023-02-06 (Mon, 06 Feb 2023)

  Changed paths:
    M clang/lib/Driver/ToolChains/LazyDetector.h

  Log Message:
  [Driver] Fix -fsanitize-address-stack-use-after-scope after D142606

Driver::getToolChain called by Driver::BuildCompilation gets the
`Triple` argument from a temporary. With delayed detection due to
LazyDetector, we would reference a dangling `Triple`.

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