+2013-08-20 Jason Merrill <jason@redhat.com>
+
+ PR c++/58119
+ * cvt.c (build_expr_type_conversion): Don't complain about a
+ template that can't match the desired type category.
+
2013-08-20 Gabriel Dos Reis <gdr@integrable-solutions.net>
* error.c (pp_ggc_formatted_text): New.
if (DECL_NONCONVERTING_P (cand))
continue;
- if (TREE_CODE (cand) == TEMPLATE_DECL)
- {
- if (complain)
- {
- error ("ambiguous default type conversion from %qT",
- basetype);
- error (" candidate conversions include %qD", cand);
- }
- return error_mark_node;
- }
-
candidate = non_reference (TREE_TYPE (TREE_TYPE (cand)));
switch (TREE_CODE (candidate))
break;
default:
+ /* A wildcard could be instantiated to match any desired
+ type, but we can't deduce the template argument. */
+ if (WILDCARD_TYPE_P (candidate))
+ win = true;
break;
}
if (win)
{
+ if (TREE_CODE (cand) == TEMPLATE_DECL)
+ {
+ if (complain)
+ error ("default type conversion can't deduce template"
+ " argument for %qD", cand);
+ return error_mark_node;
+ }
+
if (winner)
{
tree winner_type