Fix wrong-code bug: __imag on a scalar lvalue should produce a zero rvalue,
rather than an lvalue referring to the scalar.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150889 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 8bd4c2b..6eed2ed 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -1642,7 +1642,10 @@
// __imag on a scalar returns zero. Emit the subexpr to ensure side
// effects are evaluated, but not the actual value.
- CGF.EmitScalarExpr(Op, true);
+ if (Op->isGLValue())
+ CGF.EmitLValue(Op);
+ else
+ CGF.EmitScalarExpr(Op, true);
return llvm::Constant::getNullValue(ConvertType(E->getType()));
}