diff options
Diffstat (limited to 'gcc/cp/pt.c')
-rw-r--r-- | gcc/cp/pt.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 7211bdc..744461e 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -13905,45 +13905,6 @@ tsubst_function_decl (tree t, tree args, tsubst_flags_t complain, if (tree spec = retrieve_specialization (gen_tmpl, argvec, hash)) return spec; } - - /* We can see more levels of arguments than parameters if - there was a specialization of a member template, like - this: - - template <class T> struct S { template <class U> void f(); } - template <> template <class U> void S<int>::f(U); - - Here, we'll be substituting into the specialization, - because that's where we can find the code we actually - want to generate, but we'll have enough arguments for - the most general template. - - We also deal with the peculiar case: - - template <class T> struct S { - template <class U> friend void f(); - }; - template <class U> void f() {} - template S<int>; - template void f<double>(); - - Here, the ARGS for the instantiation of will be {int, - double}. But, we only need as many ARGS as there are - levels of template parameters in CODE_PATTERN. We are - careful not to get fooled into reducing the ARGS in - situations like: - - template <class T> struct S { template <class U> void f(U); } - template <class T> template <> void S<T>::f(int) {} - - which we can spot because the pattern will be a - specialization in this case. */ - int args_depth = TMPL_ARGS_DEPTH (args); - int parms_depth = - TMPL_PARMS_DEPTH (DECL_TEMPLATE_PARMS (DECL_TI_TEMPLATE (t))); - - if (args_depth > parms_depth && !DECL_TEMPLATE_SPECIALIZATION (t)) - args = get_innermost_template_args (args, parms_depth); } else { |