implement l-value codegen of comma expr
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71595 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 8ff2080..06d8d97 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1108,6 +1108,12 @@
}
LValue CodeGenFunction::EmitBinaryOperatorLValue(const BinaryOperator *E) {
+ // Comma expressions just emit their LHS then their RHS as an l-value.
+ if (E->getOpcode() == BinaryOperator::Comma) {
+ EmitAnyExpr(E->getLHS());
+ return EmitLValue(E->getRHS());
+ }
+
// Can only get l-value for binary operator expressions which are a
// simple assignment of aggregate type.
if (E->getOpcode() != BinaryOperator::Assign)