1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 1a7797b37e1..93a4a386619 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -860,6 +860,13 @@ void CodeGenFunction::StartFunction(GlobalDecl GD,
 
   Builder.SetInsertPoint(EntryBB);
 
+  // If we're checking the return value, allocate space for a pointer to a
+  // precise source location of the checked return statement.
+  if (requiresReturnValueCheck()) {
+    ReturnLocation = CreateDefaultAlignTempAlloca(Int8PtrTy, "return.sloc.ptr");
+    InitTempAlloca(ReturnLocation, llvm::ConstantPointerNull::get(Int8PtrTy));
+  }
+
   // Emit subprogram debug descriptor.
   if (CGDebugInfo *DI = getDebugInfo()) {
     // Reconstruct the type from the argument list so that implicit parameters,