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[asan] fix bug 14277 (asan needs to fail with fata error if an __asan interface function is being redefined. Before this fix asan asserts)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167529 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2012-11-07 12:42:18 +00:00
parent 3b87f6204f
commit 7846c1c851
1 changed files with 3 additions and 2 deletions
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5
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -731,8 +731,9 @@ bool AddressSanitizer::doInitialization(Module &M) {
std::string FunctionName = std::string(kAsanReportErrorTemplate) +
(AccessIsWrite ? "store" : "load") + itostr(1 << AccessSizeIndex);
// If we are merging crash callbacks, they have two parameters.
AsanErrorCallback[AccessIsWrite][AccessSizeIndex] = cast<Function>(
M.getOrInsertFunction(FunctionName, IRB.getVoidTy(), IntptrTy, NULL));
AsanErrorCallback[AccessIsWrite][AccessSizeIndex] =
checkInterfaceFunction(M.getOrInsertFunction(
FunctionName, IRB.getVoidTy(), IntptrTy, NULL));
}
}