diff options
| -rw-r--r-- | gcc/cp/call.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/cp/call.c b/gcc/cp/call.c index d3e5ff3..f11929b 100644 --- a/gcc/cp/call.c +++ b/gcc/cp/call.c @@ -5212,7 +5212,12 @@ joust (cand1, cand2, warn) winner = more_specialized (TI_TEMPLATE (cand1->template), TI_TEMPLATE (cand2->template), DEDUCE_ORDER, - /* Never do unification on the 'this' parameter. */ + /* Tell the deduction code how many real function arguments we saw, + not counting the implicit 'this' argument. + + [temp.func.order]: The presence of unused ellipsis and default + arguments has no effect on the partial ordering of function + templates. */ TREE_VEC_LENGTH (cand1->convs) - DECL_NONSTATIC_MEMBER_FUNCTION_P (cand1->fn)); if (winner) |