[Bug middle-end/54957] New: Two crashes introduced by rev192488

["rmansfield at qnx dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54957

             Bug #: 54957
           Summary: Two crashes introduced by rev192488
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rmansfield@qnx.com
                CC: eraman@google.com


http://gcc.gnu.org/viewcvs?view=revision&revision=192488


sh4-unknown-linux-gnu no longer builds libgcc.

0x7df7df emit_cmp_and_jump_insn_1
    ../../gcc/optabs.c:4273
0x7df7df emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, int)
    ../../gcc/optabs.c:4324
0x6136f6 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_def*, rtx_def*, int)
    ../../gcc/dojump.c:1072
0x61479b do_compare_and_jump
    ../../gcc/dojump.c:1154
0x6164c1 do_jump_1(tree_code, tree_node*, tree_node*, rtx_def*, rtx_def*, int)
    ../../gcc/dojump.c:206
0x5ba1de expand_gimple_cond
    ../../gcc/cfgexpand.c:1852
0x5c1b9b expand_gimple_basic_block
    ../../gcc/cfgexpand.c:3832
0x5c2ec5 gimple_expand_cfg
    ../../gcc/cfgexpand.c:4477
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.


arm-unknown-linux-gnu (not EABI) crashes building libstdc++-v3 (compiling
thread.cc)

Program received signal SIGSEGV, Segmentation fault.
0x087696fb in emit_case_dispatch_table (index_expr=0x1121f18, 
    index_type=0x1403c0, case_list=0xa7de974, default_label=0x125e18c, 
    minval=0x12b690, maxval=0x12bbf4, range=0x12bbf4, stmt_bb=0x0)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/stmt.c:1919


#0  0x087696fb in emit_case_dispatch_table (index_expr=0x1121f18, 
    index_type=0x1403c0, case_list=0xa7de974, default_label=0x125e18c, 
    minval=0x12b690, maxval=0x12bbf4, range=0x12bbf4, stmt_bb=0x0)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/stmt.c:1919
#1  0x08769fab in expand_sjlj_dispatch_table (dispatch_index=0x125bc9c, 
    dispatch_table=0xa7b2be0)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/stmt.c:2292
#2  0x084deedd in sjlj_emit_dispatch_table (dispatch_label=0x125a924, 
    num_dispatch=6)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/except.c:1363
#3  0x084df160 in sjlj_build_landing_pads ()
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/except.c:1420
#4  0x084df5fe in finish_eh_generation ()
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/except.c:1454
#5  0x08430102 in gimple_expand_cfg ()
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/cfgexpand.c:4579
#6  0x086d148a in execute_one_pass (pass=0x9094900)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/passes.c:2320
#7  0x086d1a4d in execute_pass_list (pass=0x9094900)
    at /builds/gnu-gcc-trunk/svn/arm-oabi/../gcc/passes.c:2381