[llvm] [llvm][StackProtector] Add noreturn to __stack_chk_fail call (PR #143976)

via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 13 15:21:05 PDT 2025


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@@ -725,7 +725,9 @@ BasicBlock *CreateFailBB(Function *F, const Triple &Trip) {
     StackChkFail =
         M->getOrInsertFunction("__stack_chk_fail", Type::getVoidTy(Context));
   }
-  cast<Function>(StackChkFail.getCallee())->addFnAttr(Attribute::NoReturn);
+  cast<Function>(
+      cast<GlobalValue>(StackChkFail.getCallee())->getAliaseeObject())
+      ->addFnAttr(Attribute::NoReturn);
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PiJoules wrote:

Done

https://github.com/llvm/llvm-project/pull/143976


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