Make sure we don't emit invalid IR for StmtExprs with complex cleanups.

Fixes <rdar://problem/14074868>.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183699 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index 36f974a..643ef91 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -358,7 +358,9 @@
 
 ComplexPairTy ComplexExprEmitter::VisitStmtExpr(const StmtExpr *E) {
   CodeGenFunction::StmtExprEvaluation eval(CGF);
-  return CGF.EmitCompoundStmt(*E->getSubStmt(), true).getComplexVal();
+  llvm::Value *RetAlloca = CGF.EmitCompoundStmt(*E->getSubStmt(), true);
+  assert(RetAlloca && "Expected complex return value");
+  return EmitLoadOfLValue(CGF.MakeAddrLValue(RetAlloca, E->getType()));
 }
 
 /// EmitComplexToComplexCast - Emit a cast from complex value Val to DestType.