When checking for illegal expressions in a default-argument
expression, look through pseudo-object expressions.
rdar://13602832
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179080 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 8f8e22a..ddc0774 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -65,6 +65,7 @@
bool VisitDeclRefExpr(DeclRefExpr *DRE);
bool VisitCXXThisExpr(CXXThisExpr *ThisE);
bool VisitLambdaExpr(LambdaExpr *Lambda);
+ bool VisitPseudoObjectExpr(PseudoObjectExpr *POE);
};
/// VisitExpr - Visit all of the children of this expression.
@@ -115,6 +116,23 @@
<< ThisE->getSourceRange();
}
+ bool CheckDefaultArgumentVisitor::VisitPseudoObjectExpr(PseudoObjectExpr *POE) {
+ bool Invalid = false;
+ for (PseudoObjectExpr::semantics_iterator
+ i = POE->semantics_begin(), e = POE->semantics_end(); i != e; ++i) {
+ Expr *E = *i;
+
+ // Look through bindings.
+ if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E)) {
+ E = OVE->getSourceExpr();
+ assert(E && "pseudo-object binding without source expression?");
+ }
+
+ Invalid |= Visit(E);
+ }
+ return Invalid;
+ }
+
bool CheckDefaultArgumentVisitor::VisitLambdaExpr(LambdaExpr *Lambda) {
// C++11 [expr.lambda.prim]p13:
// A lambda-expression appearing in a default argument shall not