[Bug target/56716] during gcc 4.8.0 build on Cygwin: bid128_fma.c:4460:1: internal compiler error: Segmentation fault

Sat Apr 27 21:54:00 GMT 2013

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56716

--- Comment #8 from Greg <gccbugzilla@tru-traffic.com> 2013-04-27 21:54:25 UTC ---
(In reply to comment #7)
> (In reply to comment #6)
> > > Can you please provide a backtrace from the crash?
> 
> Alas, no success.  gdb reports "No stack." after the crash.  I'd used
> 
> make BOOT_CFLAGS='-g -O' bootstrap
> 
> I'm happy to help if I can.  Any suggestions on what more I can do?

To be more complete, here's the entire set of commands that I entered, along
with the screen output (which is abbreviated for most of the build):

$ make BOOT_CFLAGS='-g -O' bootstrap

...(redacted)

/home/gbullock/gcc48o/./gcc/xgcc -B/home/gbullock/gcc48o/./gcc/
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/mingw
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/w32api/lib -isystem
/home/gbullock/gcc-4_8/winsup/mingw/
include -isystem /home/gbullock/gcc-4_8/winsup/w32api/include
-B/usr/local/i686-pc-mingw32/bin/ -B/usr/local/i686-pc-mingw32/lib/ -isystem
/usr/local/i686-pc-mingw32/include -isystem
/usr/local/i686-pc-mingw32/sys-includ
e    -g -O2 -O2 -I../../../gcc-4_8/libgcc/../winsup/w32api/include -g -O2
-DIN_GCC   -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include
   -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -I. -I.
-I../.././gcc -I../../../gcc-4_8/libgcc -I../../../gcc-4_8/libgcc/.
-I../../../gcc-4_8/libgcc/../gcc -I../../../gcc-4_8/libgcc/../include
-I../../../gcc
-4_8/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS
-DUSE_EMUTLS -o bid128_fma.o -MT bid128_fma.o -MD -MP -MF bid128_fma.dep -c
../../../gcc-4_8/libgcc/config/libbid/bid128_fma.c
../../../gcc-4_8/libgcc/config/libbid/bid128_fma.c:4460:1: internal compiler
error: Segmentation fault
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [bid128_fma.o] Error 1
make[3]: Leaving directory `/home/gbullock/gcc48o/i686-pc-mingw32/libgcc'
make[2]: *** [all-stage2-target-libgcc] Error 2
make[2]: Leaving directory `/home/gbullock/gcc48o'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/home/gbullock/gcc48o'
make: *** [bootstrap] Error 2

$ cd /home/gbullock/gcc48o/i686-pc-mingw32/libgcc
$ export PATH=/home/gbullock/gcc48o/./gcc/:$PATH
$ gdb /home/gbullock/gcc48o/./gcc/xgcc
GNU gdb (GDB) 7.5
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
C:\MinGW\msys\1.0\home\gbullock\gcc48o\gcc\xgcc.exe...done.
(gdb) set args -B/home/gbullock/gcc48o/./gcc/
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/mingw
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/w32api/lib -isystem
/home/gbullock/gcc-4_8/winsup/mingw/include -isystem
/home/gbullock/gcc-4_8/winsup/w32api/include -B/usr/local/i686-pc-mingw32/bin/
-B/usr/local/i686-pc-mingw32/lib/ -isystem /usr/local/i686-pc-mingw32/include
-isystem /usr/local/i686-pc-mingw32/sys-include    -g -O2 -O2
-I../../../gcc-4_8/libgcc/../winsup/w32api/include -g -O2 -DIN_GCC   -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../.././gcc
-I../../../gcc-4_8/libgcc -I../../../gcc-4_8/libgcc/.
-I../../../gcc-4_8/libgcc/../gcc -I../../../gcc-4_8/libgcc/../include
-I../../../gcc-4_8/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_EMUTLS -o bid128_fma.o -MT bid128_fma.o -MD -MP -MF
bid128_fma.dep -c ../../../gcc-4_8/libgcc/config/libbid/bid128_fma.c
(gdb) run
Starting program: C:\MinGW\msys\1.0\home\gbullock\gcc48o\gcc\xgcc.exe
-B/home/gbullock/gcc48o/./gcc/
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/mingw
-L/home/gbullock/gcc48o/i686-pc-mingw32/winsup/w32api/lib -isystem
 /home/gbullock/gcc-4_8/winsup/mingw/include -isystem
/home/gbullock/gcc-4_8/winsup/w32api/include -B/usr/local/i686-pc-mingw32/bin/
-B/usr/local/i686-pc-mingw32/lib/ -isystem /usr/local/i686-pc-mingw32/include
-isystem
/usr/local/i686-pc-mingw32/sys-include    -g -O2 -O2
-I../../../gcc-4_8/libgcc/../winsup/w32api/include -g -O2 -DIN_GCC   -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold
-style-definition  -isystem ./include   -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -I. -I. -I../.././gcc -I../../../gcc-4_8/libgcc
-I../../../gcc-4_8/libgcc/. -I../../../gcc-4_8/libgcc/../gcc -I../../../gcc
-4_8/libgcc/../include -I../../../gcc-4_8/libgcc/config/libbid
-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -DUSE_EMUTLS -o bid128_fma.o -MT
bid128_fma.o -MD -MP -MF bid128_fma.dep -c
../../../gcc-4_8/libgcc/config/libbid/b
id128_fma.c
[New Thread 10744.0xeb0]
../../../gcc-4_8/libgcc/config/libbid/bid128_fma.c:4460:1: internal compiler
error: Segmentation fault
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[Inferior 1 (process 10744) exited with code 01]
(gdb) bt
No stack.
(gdb) 

Hope this helps.