[Bug target/81804] New: m32c ICE during configure at leaf_function_p, at final.c:4317

["joel at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81804

            Bug ID: 81804
           Summary: m32c ICE during configure at leaf_function_p, at
                    final.c:4317
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: joel at gcc dot gnu.org
  Target Milestone: ---

Version: (GCC) 8.0.0 20170809
target: m32c-rtems, likely for m32c-elf

checking for m32c-rtems4.12-gcc...
/home/joel/test-gcc/b-m32c-rtems4.12-gcc/./gcc/xgcc
-B/home/joel/test-gcc/b-m32c-rtems4.12-gcc/./gcc/ -nostdinc
-B/home/joel/test-gcc/b-m32c-rtems4.12-gcc/m32c-rtems4.12/newlib/ -isystem
/home/joel/test-gcc/b-m32c-rtems4.12-gcc/m32c-rtems4.12/newlib/targ-include
-isystem /home/joel/test-gcc/gcc/newlib/libc/include
-B/home/joel/test-gcc/install-master/m32c-rtems4.12/bin/
-B/home/joel/test-gcc/install-master/m32c-rtems4.12/lib/ -isystem
/home/joel/test-gcc/install-master/m32c-rtems4.12/include -isystem
/home/joel/test-gcc/install-master/m32c-rtems4.12/sys-include   
checking for suffix of object files... configure: error: in
`/home/joel/test-gcc/b-m32c-rtems4.12-gcc/m32c-rtems4.12/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.

config.log contains:

configure:3471: /home/joel/test-gcc/b-m32c-rtems4.12-gcc/./gcc/xgcc
-B/home/joel/test-gcc/b-m32c-rtems4.12-gcc/./gcc/ -nostdinc
-B/home/joel/test-gcc/b-m32c-rtems4.12-gcc/m32c-rtems4.12/newlib/ -isystem
/home/joel/test-gcc/b-m32c-rtems4.12-gcc/m32c-rtems4.12/newlib/targ-include
-isystem /home/joel/test-gcc/gcc/newlib/libc/include
-B/home/joel/test-gcc/install-master/m32c-rtems4.12/bin/
-B/home/joel/test-gcc/install-master/m32c-rtems4.12/lib/ -isystem
/home/joel/test-gcc/install-master/m32c-rtems4.12/include -isystem
/home/joel/test-gcc/install-master/m32c-rtems4.12/sys-include    -o conftest -g
-O2   conftest.c  >&5
during RTL pass: pro_and_epilogue
conftest.c: In function 'main':
conftest.c:16:1: internal compiler error: in leaf_function_p, at final.c:4317
 }
 ^
0x6e67c5 leaf_function_p()
        ../../gcc/gcc/final.c:4317
0xd484ac m32c_leaf_function_p
        ../../gcc/gcc/config/m32c/m32c.c:4016
0xd484ac m32c_emit_prologue()
        ../../gcc/gcc/config/m32c/m32c.c:4070
0xe8573a gen_prologue()
        ../../gcc/gcc/config/m32c/prologue.md:26
0xd44c58 target_gen_prologue
        ../../gcc/gcc/config/m32c/blkmov.md:359
0x734b47 make_prologue_seq
        ../../gcc/gcc/function.c:5835
0x734d03 thread_prologue_and_epilogue_insns()
        ../../gcc/gcc/function.c:5952
0x7353c2 rest_of_handle_thread_prologue_and_epilogue
        ../../gcc/gcc/function.c:6443
0x7353c2 execute
        ../../gcc/gcc/function.c:6485
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
configure:3474: $? = 1
configure:3662: checking for suffix of object files