[Bug c++/40684] ICE in tsubst

[dodji at gcc dot gnu dot org]

------- Comment #1 from dodji at gcc dot gnu dot org  2009-07-08 20:11 -------
I could reproduce on trunk.

I am testing the patchlet below:

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index b4bd465..d042f98 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -12949,8 +12949,9 @@ type_unification_real (tree tparms,
             to explicitly check cxx_dialect here.  */
           if (TREE_PURPOSE (TREE_VEC_ELT (tparms, i)))
             {
-              tree arg = tsubst (TREE_PURPOSE (TREE_VEC_ELT (tparms, i)), 
-                                 targs, tf_none, NULL_TREE);
+              tree arg = tsubst_template_arg
+                               (TREE_PURPOSE (TREE_VEC_ELT (tparms, i)),
+                                targs, tf_none, NULL_TREE);
               if (arg == error_mark_node)
                 return 1;
               else


-- 

dodji at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dodji at gcc dot gnu dot org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-07-08 20:11:16
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40684