[Bug target/83111] New: [sh] stack smashing detected in gen_udivsi3

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111

            Bug ID: 83111
           Summary: [sh] stack smashing detected in gen_udivsi3
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

During a sh-linux-gnu build, I run into a build breaker:
...
sh/build/./gcc/xgcc -Bsh/build/./gcc/ -Bsh/install/sh-linux-gnu/bin/
-Bsh/install/sh-linux-gnu/lib/ -isystem sh/install/sh-linux-gnu/include
-isystem sh/install/sh-linux-gnu/sys-include    -g -O2 -mb -O2  -g -O2 -DIN_GCC
 -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition 
-isystem ./include   -fpic -DNO_FPSCR_VALUES -w -Wno-sync-nand -g -DIN_LIBGCC2
-fbuilding-libgcc -fno-stack-protector -Dinhibit_libc  -fpic -DNO_FPSCR_VALUES
-w -Wno-sync-nand -I. -I. -I../../.././gcc -I/src/libgcc -I/src/libgcc/.
-I/src/libgcc/../gcc -I/src/libgcc/../include    -o _moddi3.o -MT _moddi3.o -MD
-MP -MF _moddi3.dep -DL_moddi3 -c /src/libgcc/libgcc2.c   -fexceptions
-fnon-call-exceptions -fvisibility=hidden -DHIDE_EXPORTS
*** stack smashing detected ***: sh/build/./gcc/cc1 terminated
during RTL pass: expand
/src/libgcc/libgcc2.c: In function ‘__moddi3’:
/src/libgcc/libgcc2.c:1092:9: internal compiler error: Aborted
d0 = 1 / d0; /* Divide intentionally by zero.  */
~~~^~~~~~~~
0x109919b crash_signal
/src/gcc/toplev.c:325
0x175dbbe gen_udivsi3(rtx_def*, rtx_def*, rtx_def*)
sh/build/gcc/insn-emit.c:12919
0xdd4687 insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*) const
/src/gcc/recog.h:302
0xe85b15 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/src/gcc/optabs.c:7103
0xe733e3 expand_binop_directly
/src/gcc/optabs.c:1071
0xe738b2 expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*,
int, optab_methods)
/src/gcc/optabs.c:1159
0xe75ead sign_expand_binop(machine_mode, optab_tag, optab_tag, rtx_def*,
rtx_def*, rtx_def*, int, optab_methods)
/src/gcc/optabs.c:1879
0xb097aa expand_divmod(int, tree_code, machine_mode, rtx_def*, rtx_def*,
rtx_def*, int)
/src/gcc/expmed.c:5091
0xb362c8 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/src/gcc/expr.c:8844
0x9747a9 expand_gimple_stmt_1
/src/gcc/cfgexpand.c:3713
0x974ad1 expand_gimple_stmt
/src/gcc/cfgexpand.c:3773
0x97e208 expand_gimple_basic_block
/src/gcc/cfgexpand.c:5774
0x97fa5e execute
/src/gcc/cfgexpand.c:6375
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Please include the complete backtrace with any bug report.
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