[Bug target/37394] [4.4 Regression] Segfault in ia64_variable_issue with -O -fschedule-insns2

["tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #1 from tbm at cyrius dot com  2008-09-06 08:55 -------
Program received signal SIGSEGV, Segmentation fault.
0x4000000000cf1810 in ia64_variable_issue (dump=0x20000000003eb488,
sched_verbose=0, insn=0x2000000002080550,
    can_issue_more=15540576) at gcc/config/ia64/ia64.c:6645
6645          stops_p [INSN_UID (insn)] = stop_before_p;
(gdb) where
#0  0x4000000000cf1810 in ia64_variable_issue (dump=0x20000000003eb488,
sched_verbose=0, insn=0x2000000002080550,
    can_issue_more=15540576) at gcc/config/ia64/ia64.c:6645
#1  0x4000000000ed2160 in schedule_block (target_bb=0x60000ffffe7d36a0) at
gcc/haifa-sched.c:2673
#2  0x4000000000875880 in schedule_insns () at gcc/sched-rgn.c:2933
#3  0x4000000000875f70 in rest_of_handle_sched2 () at gcc/sched-rgn.c:3474
#4  0x400000000078d4d0 in execute_one_pass (pass=0x600000000007b670) at
gcc/passes.c:1278
#5  0x400000000078db70 in execute_pass_list (pass=0x600000000007b670) at
gcc/passes.c:1326
#6  0x400000000078dbc0 in execute_pass_list (pass=0x6000000000079dc0) at
gcc/passes.c:1327
#7  0x400000000078dbc0 in execute_pass_list (pass=0x6000000000079d70) at
gcc/passes.c:1327
#8  0x40000000009e1800 in tree_rest_of_compilation (fndecl=0x2000000001a24f00)
    at gcc/tree-optimize.c:418
#9  0x4000000000d02160 in cgraph_expand_function (node=0x2000000001ab5100) at
gcc/cgraphunit.c:1038
#10 0x4000000000d07070 in cgraph_optimize () at gcc/cgraphunit.c:1097
#11 0x4000000000160130 in cp_write_global_declarations () at
gcc/cp/decl2.c:3608
#12 0x4000000000924f70 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
    at gcc/toplev.c:979
#13 0x4000000000390d30 in main (argc=5, argv=0x60000ffffe7d39c8) at
gcc/main.c:35
(gdb)


-- 

tbm at cyrius dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.4 Regression] Segfault in|[4.4 Regression] Segfault in
                   |ia64_variable_issue with -O |ia64_variable_issue with -O
                   |-fschedule-insns2           |-fschedule-insns2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37394