ExprResult Sema::CreateBuiltinBinOp(SourceLocation OpLoc,
BinaryOperatorKind Opc,
Expr *LHSExpr, Expr *RHSExpr) {
+ if (getLangOptions().CPlusPlus0x && isa<InitListExpr>(RHSExpr)) {
+ // The syntax only allows initializer lists on the RHS of assignment,
+ // so we don't need to worry about accepting invalid code for
+ // non-assignment operators.
+ // C++11 5.17p9:
+ // The meaning of x = {v} [...] is that of x = T(v) [...]. The meaning
+ // of x = {} is x = T().
+ InitializationKind Kind =
+ InitializationKind::CreateDirectList(RHSExpr->getLocStart());
+ InitializedEntity Entity =
+ InitializedEntity::InitializeTemporary(LHSExpr->getType());
+ InitializationSequence InitSeq(*this, Entity, Kind, &RHSExpr, 1);
+ ExprResult Init = InitSeq.Perform(*this, Entity, Kind,
+ MultiExprArg(&RHSExpr, 1));
+ if (Init.isInvalid())
+ return Init;
+ RHSExpr = Init.take();
+ }
+
ExprResult LHS = Owned(LHSExpr), RHS = Owned(RHSExpr);
QualType ResultTy; // Result type of the binary operator.
// The following two variables are used for compound assignment operators