[all-commits] [llvm/llvm-project] bdf812: [compiler-rt] Handle weak interfaces with MinGW GC...

[oltolm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bdf81254f94e1449ee10e50593df1211f43ba2e1
      https://github.com/llvm/llvm-project/commit/bdf81254f94e1449ee10e50593df1211f43ba2e1
  Author: oltolm <oleg.tolmatcev at gmail.com>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/sanitizer_internal_defs.h
    M compiler-rt/lib/sanitizer_common/sanitizer_win_thunk_interception.h
    M compiler-rt/lib/ubsan/ubsan_handlers.cpp

  Log Message:
  -----------
  [compiler-rt] Handle weak interfaces with MinGW GCC (#222706)

Windows weak-function emulation uses MSVC linker /alternatename
directives, which GNU ld does not support. Use direct exported
definitions, avoid registering unsupported DLL weak aliases, and
reference UBSan's real C++ implementation.

Co-authored-by: Hannes Domani <ssbssa at yahoo.de>



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