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

[rmansfield at qnx dot com]

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: unassig...@gcc.gnu.org

        ReportedBy: rmansfi...@qnx.com

                CC: era...@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