@@ -7204,6 +7204,8 @@ build_static_cast (tree type, tree oexpr, tsubst_flags_t complain)
TREE_SIDE_EFFECTS (expr) = 1;
return convert_from_reference (expr);
}
+ else if (processing_template_decl)
+ expr = build_non_dependent_expr (expr);
/* build_c_cast puts on a NOP_EXPR to make the result not an lvalue.
Strip such NOP_EXPRs if VALUE is being used in non-lvalue context. */
new file mode 100644
@@ -0,0 +1,12 @@
+// PR c++/83186
+// { dg-do compile { target c++11 } }
+
+struct a {
+ operator unsigned();
+};
+template <class> void b() { static_cast<unsigned>(a{}); }
+
+int main()
+{
+ b<int>();
+}