================
@@ -14578,21 +14578,51 @@ ExprResult Sema::CreateBuiltinBinOp(SourceLocation
OpLoc,
BinaryOperatorKind Opc,
Expr *LHSExpr, Expr *RHSExpr) {
if (getLangOpts().CPlusPlus11 && 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->getBeginLoc(), RHSExpr->getBeginLoc(), RHSExpr->getEndLoc());
+ // C++11 [expr.ass]p9, per CWG2768:
+ // A braced-init-list B may appear on the right-hand side of
+ // - an assignment to a scalar of type T, in which case B shall have at
+ // most a single element. The meaning of x = B is x = t, where t is an
+ // invented temporary variable declared and initialized as T t = B.
+ if (Opc != BO_Assign) {
----------------
shafik wrote:
So did this check somehow fallout of the old way of doing this or this an
additional check?
Do we have tests for this, I don't see any tests checking for this explicitly.
https://github.com/llvm/llvm-project/pull/100548
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