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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) 

llvm-svn: 167529
This commit is contained in:
Kostya Serebryany 2012-11-07 12:42:18 +00:00
parent 3ca33acb95
commit 157a515376
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -731,8 +731,9 @@ bool AddressSanitizer::doInitialization(Module &M) {
std::string FunctionName = std::string(kAsanReportErrorTemplate) + std::string FunctionName = std::string(kAsanReportErrorTemplate) +
(AccessIsWrite ? "store" : "load") + itostr(1 << AccessSizeIndex); (AccessIsWrite ? "store" : "load") + itostr(1 << AccessSizeIndex);
// If we are merging crash callbacks, they have two parameters. // If we are merging crash callbacks, they have two parameters.
AsanErrorCallback[AccessIsWrite][AccessSizeIndex] = cast<Function>( AsanErrorCallback[AccessIsWrite][AccessSizeIndex] =
M.getOrInsertFunction(FunctionName, IRB.getVoidTy(), IntptrTy, NULL)); checkInterfaceFunction(M.getOrInsertFunction(
FunctionName, IRB.getVoidTy(), IntptrTy, NULL));
} }
} }