https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110934
Bug ID: 110934
Summary: m68k: ICE with -fzero-call-used-regs=all compiling
openssh 9.3p2
Product: gcc
Version: 13.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: wbx at openadk dot org
Target Milestone: ---
Hi,
following ICE is generated when using Buildroot to compile OpenSSH 9.3p2 for
m68k.
/home/browa22-ext/openssh/output/host/bin/m68k-buildroot-linux-uclibc-gcc
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0
-pipe -Wno-error=format-truncation -Wall -Wpointer-arith -Wuninitialized
-Wsign-compare -Wformat-security -Wsizeof-pointer-memaccess -Wno-pointer-sign
-Wno-unused-result -Wimplicit-fallthrough -Wmisleading-indentation
-fno-strict-aliasing -D_FORTIFY_SOURCE=2 -ftrapv -fzero-call-used-regs=all
-ftrivial-auto-var-init=zero -fno-builtin-memset -fPIC -I. -I.. -I. -I./..
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-D_XOPEN_SOURCE=600 -D_BSD_SOURCE -D_DEFAULT_SOURCE -D_GNU_SOURCE
-DHAVE_CONFIG_H -c bsd-closefrom.c
during RTL pass: zero_call_used_regs
bsd-closefrom.c: In function ‘closefrom’:
bsd-closefrom.c:151:1: internal compiler error: in change_address_1, at
emit-rtl.cc:2287
151 | }
| ^
0x7f5f7d66f189 __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
0x7f5f7d66f244 __libc_start_main_impl
../csu/libc-start.c:381
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <http://bugs.buildroot.net/> for instructions.
Using -fzero-call-used-regs=used fixes the build issue.
gcc -v:
/home/browa22-ext/openssh/output/host/bin/m68k-buildroot-linux-uclibc-gcc -v
Using built-in specs.
COLLECT_GCC=/home/browa22-ext/openssh/output/host/bin/m68k-buildroot-linux-uclibc-gcc.br_real
COLLECT_LTO_WRAPPER=/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/lto-wrapper
Target: m68k-buildroot-linux-uclibc
Configured with: ./configure --prefix=/home/browa22-ext/openssh/output/host
--sysconfdir=/home/browa22-ext/openssh/output/host/etc --enable-static
--target=m68k-buildroot-linux-uclibc
--with-sysroot=/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot
--enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib
--disable-decimal-float --enable-plugins --enable-lto
--with-gmp=/home/browa22-ext/openssh/output/host
--with-mpc=/home/browa22-ext/openssh/output/host
--with-mpfr=/home/browa22-ext/openssh/output/host --with-pkgversion='Buildroot
2023.08-rc1-23-g3693462a1f' --with-bugurl=http://bugs.buildroot.net/
--without-zstd --disable-libquadmath --disable-libquadmath-support
--disable-libsanitizer --enable-tls --enable-threads --without-isl
--without-cloog --with-cpu=68040 --enable-languages=c
--with-build-time-tools=/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/bin
--enable-shared --disable-libgomp
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 13.2.0 (Buildroot 2023.08-rc1-23-g3693462a1f)
COMPILER_PATH=/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/:/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/:/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/:/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/:/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/:/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/../../../../m68k-buildroot-linux-uclibc/bin/
LIBRARY_PATH=/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/:/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/../../../../m68k-buildroot-linux-uclibc/lib/:/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/lib/:/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib/
COLLECT_GCC_OPTIONS='--sysroot=/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot'
'-v' '-mcpu=68040' '-dumpdir' 'a.'
/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/collect2
-plugin
/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/liblto_plugin.so
-plugin-opt=/home/browa22-ext/openssh/output/host/libexec/gcc/m68k-buildroot-linux-uclibc/13.2.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/cclgUbWV.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s
--sysroot=/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot
--eh-frame-hdr -m m68kelf -dynamic-linker /lib/ld-uClibc.so.0
/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib/crt1.o
/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib/crti.o
/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/crtbegin.o
-L/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0
-L/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/../../../../m68k-buildroot-linux-uclibc/lib
-L/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/lib
-L/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib
-z relro -lgcc --push-state --as-needed -lgcc_s --pop-state -lc -lgcc
--push-state --as-needed -lgcc_s --pop-state
/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/crtend.o
/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib/crtn.o
/home/browa22-ext/openssh/output/host/lib/gcc/m68k-buildroot-linux-uclibc/13.2.0/../../../../m68k-buildroot-linux-uclibc/bin/ld:
/home/browa22-ext/openssh/output/host/m68k-buildroot-linux-uclibc/sysroot/usr/lib/crt1.o:
in function `_start':
(.text+0x1c): undefined reference to `main'
collect2: error: ld returned 1 exit status
