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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c77dfa6a813..b3e721308d6 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -751,6 +751,12 @@ void CodeGenModule::EmitGlobalFunctionDefinition(const FunctionDecl *D) {
llvm::Function *Fn = cast<llvm::Function>(Entry);
CodeGenFunction(*this).GenerateCode(D, Fn);
+ // Set attributes specific to definition.
+ // FIXME: This needs to be cleaned up by clearly emitting the
+ // declaration / definition at separate times.
+ if (!Features.Exceptions)
+ Fn->addParamAttr(0, llvm::ParamAttr::NoUnwind);
+
if (const ConstructorAttr *CA = D->getAttr<ConstructorAttr>()) {
AddGlobalCtor(Fn, CA->getPriority());
} else if (const DestructorAttr *DA = D->getAttr<DestructorAttr>()) {
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