http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59536
Bug ID: 59536
Summary: [4.9 regression] internal compiler error: in
cselib_record_set, at cselib.c:2376 breaks m68k-linux
bootstrap
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: mikpelinux at gmail dot com
Attempting to bootstrap gcc-4.9-20131215 (r206004) on m68k-linux fails with:
/mnt/scratch/objdir49/./prev-gcc/xg++ -B/mnt/scratch/objdir49/./prev-gcc/
-B/mnt/scratch/install49/m68k-unknown-linux-gnu/bin/ -nostdinc++
-B/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/include/m68k-unknown-linux-gnu
-I/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/include
-I/mnt/scratch/gcc-4.9-20131215/libstdc++-v3/libsupc++
-L/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/mnt/scratch/objdir49/prev-m68k-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-c -g -O2 -gtoggle -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -DHAVE_CONFIG_H -I. -I.
-I/mnt/scratch/gcc-4.9-20131215/gcc -I/mnt/scratch/gcc-4.9-20131215/gcc/.
-I/mnt/scratch/gcc-4.9-20131215/gcc/../include
-I/mnt/scratch/gcc-4.9-20131215/gcc/../libcpp/include
-I/mnt/scratch/gcc-4.9-20131215/gcc/../libdecnumber
-I/mnt/scratch/gcc-4.9-20131215/gcc/../libdecnumber/dpd -I../libdecnumber
-I/mnt/scratch/gcc-4.9-20131215/gcc/../libbacktrace -o
tree-loop-distribution.o -MT tree-loop-distribution.o -MMD -MP -MF
./.deps/tree-loop-distribution.TPo
/mnt/scratch/gcc-4.9-20131215/gcc/tree-loop-distribution.c
/mnt/scratch/gcc-4.9-20131215/gcc/tree-loop-distribution.c: In member function
'virtual unsigned int {anonymous}::pass_loop_distribution::execute()':
/mnt/scratch/gcc-4.9-20131215/gcc/tree-loop-distribution.c:1826:63: internal
compiler error: in cselib_record_set, at cselib.c:2376
unsigned int execute () { return tree_loop_distribution (); }
^
0x80260fa7 cselib_record_set
/mnt/scratch/gcc-4.9-20131215/gcc/cselib.c:2376
0x80261715 cselib_record_sets
/mnt/scratch/gcc-4.9-20131215/gcc/cselib.c:2593
0x8026195b cselib_process_insn(rtx_def*)
/mnt/scratch/gcc-4.9-20131215/gcc/cselib.c:2668
0x804d77b1 reload_cse_regs_1
/mnt/scratch/gcc-4.9-20131215/gcc/postreload.c:222
0x804d731f reload_cse_regs
/mnt/scratch/gcc-4.9-20131215/gcc/postreload.c:68
0x804dc70d rest_of_handle_postreload
/mnt/scratch/gcc-4.9-20131215/gcc/postreload.c:2332
0x804dc789 execute
/mnt/scratch/gcc-4.9-20131215/gcc/postreload.c:2368
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.
make[3]: *** [tree-loop-distribution.o] Error 1
make[3]: Leaving directory `/mnt/scratch/objdir49/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/mnt/scratch/objdir49'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir49'
make: *** [bootstrap] Error 2
The previous weekly snapshot, gcc-4.9-20131208, bootstrapped fine.
Configured as:
/mnt/scratch/gcc-4.9-20131215/configure --prefix=/mnt/scratch/install49
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-linker-build-id
--enable-languages=c,c++ --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --disable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--disable-sjlj-exceptions --disable-libmudflap --disable-plugin --disable-lto
--disable-multilib
