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[Bug middle-end/60945] New: internal compiler error: in dwf_regno, at dwarf2cfi.c:909


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60945

            Bug ID: 60945
           Summary: internal compiler error: in dwf_regno, at
                    dwarf2cfi.c:909
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: patrick at motec dot com.au

Internal compiler error during powerpc-eabispe cross-compile of gcc.

Full build log and save-temps output attached.

Here is the output of -v -save-temps for the affected file:

patrick@gtr:~/src/e7/toolchain/build/gcc-4.9.0-stage2/powerpc-eabispe/mpc7400/libgcc$
/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/xgcc -v -save-temps
-B/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/
-B/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/bin/
-B/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/lib/ -isystem
/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/include -isystem
/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/sys-include    -g -O2
-msoft-float -O2  -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  -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 -Dinhibit_libc  -I. -I.
-I../../.././gcc -I/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc
-I/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/.
-I/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../gcc
-I/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../include  -DHAVE_CC_TLS
 -o _addsub_df.o -MT _addsub_df.o -MD -MP -MF _addsub_df.dep
-DFINE_GRAINED_LIBRARIES -DL_addsub_df  -c
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/fp-bit.c
-fvisibility=hidden -DHIDE_EXPORTS
Reading specs from
/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/specs
COLLECT_GCC=/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/xgcc
Target: powerpc-eabispe
Configured with: /home/patrick/src/e7/toolchain/src/gcc-4.9.0/configure
--prefix=/home/patrick/src/e7/toolchain/stage2 --build=x86_64-unknown-linux-gnu
--host=x86_64-unknown-linux-gnu --target=powerpc-eabispe
--enable-languages=c,c++
--with-sysroot=/home/patrick/src/e7/toolchain/../prex_sysroot --disable-nls
--disable-werror --with-newlib --with-gmp=/home/patrick/src/e7/toolchain/stage2
--with-mpfr=/home/patrick/src/e7/toolchain/stage2 --disable-shared
--disable-debug --disable-libssp --with-cpu=8540
Thread model: single
gcc version 4.9.0 (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-B'
'/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/' '-B'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/bin/' '-B'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/lib/' '-isystem'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/include' '-isystem'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/sys-include' '-g' '-O2'
'-msoft-float' '-O2' '-g' '-O2' '-D' 'IN_GCC' '-D' 'CROSS_DIRECTORY_STRUCTURE'
'-Wextra' '-Wall' '-Wno-narrowing' '-Wwrite-strings' '-Wcast-qual'
'-Wstrict-prototypes' '-Wmissing-prototypes' '-Wold-style-definition'
'-isystem' './include' '-g' '-D' 'IN_LIBGCC2' '-fbuilding-libgcc'
'-fno-stack-protector' '-D' 'inhibit_libc' '-I' '.' '-I' '.' '-I'
'../../.././gcc' '-I' '/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc'
'-I' '/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/.' '-I'
'/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../gcc' '-I'
'/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../include' '-D'
'HAVE_CC_TLS' '-o' '_addsub_df.o' '-MT' '_addsub_df.o' '-MD' '-MP' '-MF'
'_addsub_df.dep' '-D' 'FINE_GRAINED_LIBRARIES' '-D' 'L_addsub_df' '-c'
'-fvisibility=hidden' '-D' 'HIDE_EXPORTS' '-mcpu=8540'
 /home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/cc1 -E -quiet -v
-I . -I . -I ../../.././gcc -I
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc -I
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/. -I
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../gcc -I
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../include -imultilib nof
-iprefix
/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/powerpc-eabispe/4.9.0/
-isystem /home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/include
-isystem
/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/include-fixed -MD
_addsub_df.d -MF _addsub_df.dep -MP -MT _addsub_df.o -D IN_GCC -D
CROSS_DIRECTORY_STRUCTURE -D IN_LIBGCC2 -D inhibit_libc -D HAVE_CC_TLS -D
FINE_GRAINED_LIBRARIES -D L_addsub_df -D HIDE_EXPORTS -isystem
/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/include -isystem
/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/sys-include -isystem
./include /home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/fp-bit.c
-msoft-float -mcpu=8540 -Wextra -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-fbuilding-libgcc -fno-stack-protector -fvisibility=hidden -g -g -g
-fworking-directory -O2 -O2 -O2 -fpch-preprocess -o fp-bit.i
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/sys-include"
ignoring nonexistent directory "./include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/powerpc-eabispe/4.9.0/include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/powerpc-eabispe/4.9.0/include-fixed"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/powerpc-eabispe/4.9.0/../../../../powerpc-eabispe/include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/../../lib/gcc/powerpc-eabispe/4.9.0/include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/../prex_sysroot/usr/local/include"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/../../lib/gcc/powerpc-eabispe/4.9.0/include-fixed"
ignoring nonexistent directory
"/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/gcc/../lib/gcc/../../lib/gcc/powerpc-eabispe/4.9.0/../../../../powerpc-eabispe/include"
ignoring duplicate directory "."
ignoring duplicate directory
"/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/."
#include "..." search starts here:
#include <...> search starts here:
 .
 ../../.././gcc
 /home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc
 /home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../gcc
 /home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../include
 /home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/include
 /home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/include-fixed
 /home/patrick/src/e7/toolchain/../prex_sysroot/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-B'
'/home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/' '-B'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/bin/' '-B'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/lib/' '-isystem'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/include' '-isystem'
'/home/patrick/src/e7/toolchain/stage2/powerpc-eabispe/sys-include' '-g' '-O2'
'-msoft-float' '-O2' '-g' '-O2' '-D' 'IN_GCC' '-D' 'CROSS_DIRECTORY_STRUCTURE'
'-Wextra' '-Wall' '-Wno-narrowing' '-Wwrite-strings' '-Wcast-qual'
'-Wstrict-prototypes' '-Wmissing-prototypes' '-Wold-style-definition'
'-isystem' './include' '-g' '-D' 'IN_LIBGCC2' '-fbuilding-libgcc'
'-fno-stack-protector' '-D' 'inhibit_libc' '-I' '.' '-I' '.' '-I'
'../../.././gcc' '-I' '/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc'
'-I' '/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/.' '-I'
'/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../gcc' '-I'
'/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/../include' '-D'
'HAVE_CC_TLS' '-o' '_addsub_df.o' '-MT' '_addsub_df.o' '-MD' '-MP' '-MF'
'_addsub_df.dep' '-D' 'FINE_GRAINED_LIBRARIES' '-D' 'L_addsub_df' '-c'
'-fvisibility=hidden' '-D' 'HIDE_EXPORTS' '-mcpu=8540'
 /home/patrick/src/e7/toolchain/build/gcc-4.9.0-stage2/./gcc/cc1 -fpreprocessed
fp-bit.i -quiet -dumpbase fp-bit.c -msoft-float -mcpu=8540 -auxbase-strip
_addsub_df.o -g -g -g -O2 -O2 -O2 -Wextra -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-version -fbuilding-libgcc -fno-stack-protector -fvisibility=hidden -o fp-bit.s
GNU C (GCC) version 4.9.0 (powerpc-eabispe)
    compiled by GNU C version 4.8.1, GMP version 5.0.1, MPFR version 3.1.2, MPC
version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C (GCC) version 4.9.0 (powerpc-eabispe)
    compiled by GNU C version 4.8.1, GMP version 5.0.1, MPFR version 3.1.2, MPC
version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 9367011cb3bc9da481a2ead1c4530711
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/fp-bit.c: In function
'_fpadd_parts':
/home/patrick/src/e7/toolchain/src/gcc-4.9.0/libgcc/fp-bit.c:738:1: internal
compiler error: in dwf_regno, at dwarf2cfi.c:909
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


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