diff options
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp index 2ede46774b2..0c7aec4ac69 100644 --- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp +++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp @@ -2150,6 +2150,10 @@ bool AddressSanitizerModule::InstrumentGlobals(IRBuilder<> &IRB, Module &M, bool NewGlobal->copyAttributesFrom(G); NewGlobal->setComdat(G->getComdat()); NewGlobal->setAlignment(MinRZ); + // Don't fold globals with redzones. ODR violation detector and redzone + // poisoning implicitly creates a dependence on the global's address, so it + // is no longer valid for it to be marked unnamed_addr. + NewGlobal->setUnnamedAddr(GlobalValue::UnnamedAddr::None); // Move null-terminated C strings to "__asan_cstring" section on Darwin. if (TargetTriple.isOSBinFormatMachO() && !G->hasSection() && |
