[Bug c/48799] New: ice in pred_chain_length_cmp

[dcb314 at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48799

           Summary: ice in pred_chain_length_cmp
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dcb314@hotmail.com


Created attachment 24122
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24122
C source code

I just tried to compile the attached C code with the latest 4.7 snapshot
20110423 on a Fedora Linux x86_64 box.

The compiler said

hdp_gr.c: In function 'dgr':
hdp_gr.c:1105:1: internal compiler error: vector VEC(use_pred_info_t,base)
index domain error, in pred_chain_length_cmp at tree-ssa-uninit.c:1624
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Flags -Wall -O2 required.