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pt.c (determine_specialization): Tighten error-checking.

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* pt.c (determine_specialization): Tighten error-checking.
	(end_template_parm_list): Likewise.

From-SVN: r28147
This commit is contained in:
Mark Mitchell 1999-07-18 03:28:32 +00:00 committed by Mark Mitchell
parent 50908fadbb
commit 91e490abe5
3 changed files with 36 additions and 6 deletions
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5
gcc/cp/ChangeLog
View File

@ -1,3 +1,8 @@
1999-07-17 Mark Mitchell <mark@codesourcery.com>
* pt.c (determine_specialization): Tighten error-checking.
(end_template_parm_list): Likewise.
1999-07-14 Mark Mitchell <mark@codesourcery.com>
* pt.c (check_default_tmpl_args): Handle friends defined in the

33
gcc/cp/pt.c
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@ -974,9 +974,15 @@ determine_specialization (template_id, decl, targs_out,
return error_mark_node;
/* Check for baselinks. */
if (TREE_CODE (fns) == TREE_LIST)
if (BASELINK_P (fns))
fns = TREE_VALUE (fns);
if (!is_overloaded_fn (fns))
{
cp_error ("`%D' is not a function template", fn);
return error_mark_node;
}
for (; fns; fns = OVL_NEXT (fns))
{
tree tmpl;
@ -1851,13 +1857,34 @@ end_template_parm_list (parms)
int nparms;
tree parm;
tree saved_parmlist = make_tree_vec (list_length (parms));
int seen_def_arg_p = 0;
current_template_parms
= tree_cons (build_int_2 (0, processing_template_decl),
saved_parmlist, current_template_parms);
for (parm = parms, nparms = 0; parm; parm = TREE_CHAIN (parm), nparms++)
TREE_VEC_ELT (saved_parmlist, nparms) = parm;
for (parm = parms, nparms = 0;
parm;
parm = TREE_CHAIN (parm), nparms++)
{
/* [temp.param]
If a template-parameter has a default template-argument, all
subsequent template-parameters shall have a default
template-argument supplied. */
if (TREE_PURPOSE (parm))
seen_def_arg_p = 1;
else if (seen_def_arg_p)
{
/* Issue the error message. */
cp_error ("no default argument for `%D'", TREE_VALUE (parm));
/* For better subsequent error-recovery, we indicate that
there should have been a default argument. */
TREE_PURPOSE (parm) = error_mark_node;
}
TREE_VEC_ELT (saved_parmlist, nparms) = parm;
}
--processing_template_parmlist;

4
gcc/testsuite/g++.old-deja/g++.oliva/template6.C
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@ -5,7 +5,5 @@
// by Alexandre Oliva <oliva@dcc.unicamp.br>
// simplified from bug report by Meenaradchagan Vishnu <mvishnu@fore.com>
// crash test - XFAIL *-*-*
template <typename> struct foo {};
template <> void foo();
template <> void foo(); // ERROR - bad specialization