vendor/clang/clang-trunk-r306325

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 683f366ebe45..a13c38646164 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -1024,6 +1024,18 @@ void CodeGenFunction::EmitReturnOfRValue(RValue RV, QualType Ty) {
 /// if the function returns void, or may be missing one if the function returns
 /// non-void.  Fun stuff :).
 void CodeGenFunction::EmitReturnStmt(const ReturnStmt &S) {
+  if (requiresReturnValueCheck()) {
+    llvm::Constant *SLoc = EmitCheckSourceLocation(S.getLocStart());
+    auto *SLocPtr =
+        new llvm::GlobalVariable(CGM.getModule(), SLoc->getType(), false,
+                                 llvm::GlobalVariable::PrivateLinkage, SLoc);
+    SLocPtr->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
+    CGM.getSanitizerMetadata()->disableSanitizerForGlobal(SLocPtr);
+    assert(ReturnLocation.isValid() && "No valid return location");
+    Builder.CreateStore(Builder.CreateBitCast(SLocPtr, Int8PtrTy),
+                        ReturnLocation);
+  }
+
   // Returning from an outlined SEH helper is UB, and we already warn on it.
   if (IsOutlinedSEHHelper) {
     Builder.CreateUnreachable();