[PATCH] D12512: [libcxxabi] Manually align pointers in __cxa_allocate_exception - Fixes PR24604

[Eric Fiselier via cfe-commits]

EricWF updated this revision to Diff 34128.
EricWF added a comment.

Address @joerg's comment and use `posix_memalign` when available. This patch does not fix the case where `posix_memalign` is unavailable but that should be rare and can come in another patch.

Thi patch also defers all changes to `fallback_malloc` to http://reviews.llvm.org/D12669.


http://reviews.llvm.org/D12512

Files:
  CMakeLists.txt
  cmake/config-ix.cmake
  src/cxa_exception.cpp
  test/test_cxa_allocate_exception.pass.cpp

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