Bug 109026

This sneaked in with the Modula-2 merge:

[all 2023-03-05 01:12:42] test -d /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/gcc/m2/gm2-libs || /bin/bash ../../gcc/gcc/../mkinstalldirs /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/gcc/m2/gm2-libs
[all 2023-03-05 01:12:42] echo "GM2_FOR_TARGET /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/gm2 -B/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/ "
[all 2023-03-05 01:12:42] GM2_FOR_TARGET /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/gm2 -B/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/ 
[all 2023-03-05 01:12:42] echo "GCC_FOR_TARGET /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/xgcc -B/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/ "
[all 2023-03-05 01:12:42] GCC_FOR_TARGET /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/xgcc -B/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/ 
[all 2023-03-05 01:12:42] /bin/bash ../../gcc/gcc/m2/tools-src/makeSystem -fpim \
[all 2023-03-05 01:12:42]              ../../gcc/gcc/m2/gm2-libs/SYSTEM.def \
[all 2023-03-05 01:12:42]              ../../gcc/gcc/m2/gm2-libs/SYSTEM.mod \
[all 2023-03-05 01:12:42]              -I../../gcc/gcc/m2/gm2-libs \
[all 2023-03-05 01:12:42]              "/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/gm2 -B/var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/./gcc/ " /var/lib/laminar/run/gcc-m32c-elf/34/toolchain-build/gcc/m2/gm2-libs/SYSTEM.def
[all 2023-03-05 01:12:43] during RTL pass: pro_and_epilogue
[all 2023-03-05 01:12:43] <built-in>: In function '_M2_SYSTEM_init':
[all 2023-03-05 01:12:43] <built-in>: internal compiler error: in leaf_function_p, at final.cc:4054
[all 2023-03-05 01:12:43] 0x605999 leaf_function_p()
[all 2023-03-05 01:12:43] 	../../gcc/gcc/final.cc:4054
[all 2023-03-05 01:12:43] 0x109cd8c m32c_leaf_function_p
[all 2023-03-05 01:12:43] 	../../gcc/gcc/config/m32c/m32c.cc:4018
[all 2023-03-05 01:12:43] 0x109cd8c m32c_emit_prologue()
[all 2023-03-05 01:12:43] 	../../gcc/gcc/config/m32c/m32c.cc:4072
[all 2023-03-05 01:12:43] 0x14ebbfa gen_prologue()
[all 2023-03-05 01:12:43] 	../../gcc/gcc/config/m32c/prologue.md:26
[all 2023-03-05 01:12:43] 0x1099955 target_gen_prologue
[all 2023-03-05 01:12:43] 	../../gcc/gcc/config/m32c/blkmov.md:359
[all 2023-03-05 01:12:43] 0xa3c9b7 make_prologue_seq
[all 2023-03-05 01:12:43] 	../../gcc/gcc/function.cc:5841
[all 2023-03-05 01:12:43] 0xa3cb63 thread_prologue_and_epilogue_insns()
[all 2023-03-05 01:12:43] 	../../gcc/gcc/function.cc:6073
[all 2023-03-05 01:12:43] 0xa3d292 rest_of_handle_thread_prologue_and_epilogue
[all 2023-03-05 01:12:43] 	../../gcc/gcc/function.cc:6572
[all 2023-03-05 01:12:43] 0xa3d292 execute
[all 2023-03-05 01:12:43] 	../../gcc/gcc/function.cc:6655
[all 2023-03-05 01:12:43] Please submit a full bug report, with preprocessed source (by using -freport-bug).
[all 2023-03-05 01:12:43] Please include the complete backtrace with any bug report.
[all 2023-03-05 01:12:43] See <https://gcc.gnu.org/bugs/> for instructions.

Should be reproducible with:
.../gcc/configure --enable-werror-always --enable-languages=all --disable-gcov --disable-shared --disable-threads --target=m32c-elf --without-headers
make V=1 all-gcc

My most recent build log is at http://toolchain.lug-owl.de/laminar/jobs/gcc-m32c-elf, the above is taken from http://toolchain.lug-owl.de/laminar/jobs/gcc-m32c-elf/34 (which is based on g:6010189923908501ca5b02bd1f4aee05d2283118).