[Bug c++/56395] [4.7/4.8 Regression] ICE, Segmentation fault in tsubst

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56395

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-02-19
      Known to work|4.6.3                       |
   Target Milestone|---                         |4.7.3
     Ever Confirmed|0                           |1
      Known to fail|4.7.3, 4.8.0                |

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-19 14:29:21 UTC ---
Confirmed.

./openvdb/tree/TreeIterator.h:433:40: internal compiler error: tree check:
accessed elt 4 of tree_vec with 3 elts in tsubst, at cp/pt.c:11228
0xf2f8a4 tree_vec_elt_check_failed(int, int, char const*, int, char const*)
        /space/rguenther/src/svn/trunk/gcc/tree.c:9131
0x5afeb9 tree_vec_elt_check(tree_node*, int, char const*, int, char const*)
        /space/rguenther/src/svn/trunk/gcc/tree.h:3869
0x657334 tsubst(tree_node*, tree_node*, int, tree_node*)
        /space/rguenther/src/svn/trunk/gcc/cp/pt.c:11228
0x65cd34 tsubst_copy
        /space/rguenther/src/svn/trunk/gcc/cp/pt.c:12463