[all-commits] [llvm/llvm-project] a1209d: [ubsan_minimal] Allow UBSan handler from Minimal r...

[Andrew Lazarev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a1209d868632b8aea10450cd2323848ab0b6776a
      https://github.com/llvm/llvm-project/commit/a1209d868632b8aea10450cd2323848ab0b6776a
  Author: Andrew Lazarev <alazarev at google.com>
  Date:   2025-08-06 (Wed, 06 Aug 2025)

  Changed paths:
    M clang/lib/CodeGen/CGExpr.cpp
    M compiler-rt/lib/ubsan_minimal/ubsan_minimal_handlers.cpp
    A compiler-rt/test/ubsan_minimal/TestCases/misalignment.cpp
    A compiler-rt/test/ubsan_minimal/TestCases/null.cpp

  Log Message:
  -----------
  [ubsan_minimal] Allow UBSan handler from Minimal runtime to accept arguments (#152192)

+ Changed type_mismatch minimal handler to accept and print pointer.
This will allow to distinguish null pointer use, misallignment and
incorrect object size.

The change increases binary size by ~1% and has almost no performance
impact.

Fixes #149943



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