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| author | Naomi Musgrave <nmusgrave@google.com> | 2015-08-31 18:49:31 +0000 |
|---|---|---|
| committer | Naomi Musgrave <nmusgrave@google.com> | 2015-08-31 18:49:31 +0000 |
| commit | 763468baec17c8af76072921b2e670d6fe7dc843 (patch) | |
| tree | 6cbd6656e6ce8133c80d8ce3fb5e4e9fd1ea0f74 /llvm/lib/IR/Metadata.cpp | |
| parent | 0035052729e4a3adfbbf0a65ac42d372e9a29c55 (diff) | |
| download | bcm5719-llvm-763468baec17c8af76072921b2e670d6fe7dc843.tar.gz bcm5719-llvm-763468baec17c8af76072921b2e670d6fe7dc843.zip | |
Undo reversion on commit: Revert "Revert "Repress sanitization on User dtor.
Modify msan macros for applying attribute""
This reverts commit 020e70a79878c96457e6882bcdfaf6628baf32b7.
llvm-svn: 246470
Diffstat (limited to 'llvm/lib/IR/Metadata.cpp')
| -rw-r--r-- | llvm/lib/IR/Metadata.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp index 7d8c3523743..51548a82576 100644 --- a/llvm/lib/IR/Metadata.cpp +++ b/llvm/lib/IR/Metadata.cpp @@ -401,7 +401,9 @@ void *MDNode::operator new(size_t Size, unsigned NumOps) { return Ptr; } -void MDNode::operator delete(void *Mem) { +// Repress memory sanitization, due to use-after-destroy by operator +// delete. Bug report 24578 identifies this issue. +LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE void MDNode::operator delete(void *Mem) { MDNode *N = static_cast<MDNode *>(Mem); size_t OpSize = N->NumOperands * sizeof(MDOperand); OpSize = RoundUpToAlignment(OpSize, llvm::alignOf<uint64_t>()); |
