[Bug lto/44250] New: gcc.dg/lto/20090126-1 c_lto_20090126-1_0.o-c_lto_20090126-1_0.o link, (internal compiler error)

[howarth at nitro dot med dot uc dot edu]

On x86_64-apple-darwin10, the gcc.dg/lto/20090126-1
c_lto_20090126-1_0.o-c_lto_20090126-1_0.o link testcase fails with a compiler
ICE...

/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/ c_lto_20090126-1_0.o
-O0 -fwhopr -v -r -nostdlib -O2 -fwhopr -o gcc-dg-lto-20090126-1-01
Reading specs from /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/specs
COLLECT_GCC=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
COLLECT_LTO_WRAPPER=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/lto-wrapper
Target: x86_64-apple-darwin10.4.0
Configured with: ../gcc-4.6-20100522/configure --prefix=/sw
--prefix=/sw/lib/gcc4.6 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.6/info
--enable-languages=c,c++,fortran,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--program-suffix=-fsf-4.6 --enable-lto --enable-checking=release
Thread model: posix
gcc version 4.6.0 20100523 (experimental) [trunk revision 159699] (GCC) 
COMPILER_PATH=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/
LIBRARY_PATH=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/:/usr/lib/
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.4'
'-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/' '-O0' '-v' '-r'
'-nostdlib' '-O2' '-fwhopr' '-o' 'gcc-dg-lto-20090126-1-01' '-mtune=generic'
 /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/collect2 -dynamic -arch
x86_64 -macosx_version_min 10.6.4 -weak_reference_mismatches non-weak -r -o
gcc-dg-lto-20090126-1-01
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc c_lto_20090126-1_0.o
-fwhopr
collect2 version 4.6.0 20100523 (experimental) [trunk revision 159699] (x86_64
Darwin)
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/collect-ld -dynamic -arch
x86_64 -macosx_version_min 10.6.4 -weak_reference_mismatches non-weak -r -o
gcc-dg-lto-20090126-1-01
-L/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc c_lto_20090126-1_0.o
 /sw/bin/gnm -n c_lto_20090126-1_0.o
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/lto-wrapper
c_lto_20090126-1_0.o
 /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
@/var/folders/1C/1CdoNxmNFHyOIjNBLNuJh++++TM/-Tmp-//ccQIPqGP.args
Reading specs from /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/specs
COLLECT_GCC=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
COLLECT_LTO_WRAPPER=/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/lto-wrapper
Target: x86_64-apple-darwin10.4.0
Configured with: ../gcc-4.6-20100522/configure --prefix=/sw
--prefix=/sw/lib/gcc4.6 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.6/info
--enable-languages=c,c++,fortran,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--program-suffix=-fsf-4.6 --enable-lto --enable-checking=release
Thread model: posix
gcc version 4.6.0 20100523 (experimental) [trunk revision 159699] (GCC) 
COLLECT_GCC_OPTIONS='-c' '-mmacosx-version-min=10.6.4'
'-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/' '-O0' '-v' '-r'
'-nostdlib' '-O2' '-mtune=generic' '-dumpdir' './' '-dumpbase'
'gcc-dg-lto-20090126-1-01.wpa'
'-fltrans-output-list=/var/folders/1C/1CdoNxmNFHyOIjNBLNuJh++++TM/-Tmp-//ccDEr7Qb.ltrans.out'
'-fwpa' '-combine'
 /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/lto1 -fPIC -quiet
-dumpdir ./ -dumpbase gcc-dg-lto-20090126-1-01.wpa -mmacosx-version-min=10.6.4
-mtune=generic -auxbase c_lto_20090126-1_0 -O0 -O2 -version
-fltrans-output-list=/var/folders/1C/1CdoNxmNFHyOIjNBLNuJh++++TM/-Tmp-//ccDEr7Qb.ltrans.out
-fwpa @/var/folders/1C/1CdoNxmNFHyOIjNBLNuJh++++TM/-Tmp-//ccOIV9pE
GNU GIMPLE (GCC) version 4.6.0 20100523 (experimental) [trunk revision 159699]
(x86_64-apple-darwin10.4.0)
        compiled by GNU C version 4.6.0 20100523 (experimental) [trunk revision
159699], GMP version 4.3.2, MPFR version 2.4.2-p3, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU GIMPLE (GCC) version 4.6.0 20100523 (experimental) [trunk revision 159699]
(x86_64-apple-darwin10.4.0)
        compiled by GNU C version 4.6.0 20100523 (experimental) [trunk revision
159699], GMP version 4.3.2, MPFR version 2.4.2-p3, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
lto1: 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.
lto-wrapper: /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
returned 1 exit status
collect2: lto-wrapper returned 1 exit status


-- 
           Summary: gcc.dg/lto/20090126-1 c_lto_20090126-1_0.o-
                    c_lto_20090126-1_0.o link,  (internal compiler error)
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: howarth at nitro dot med dot uc dot edu
 GCC build triplet: x86_64-apple-darwin10
  GCC host triplet: x86_64-apple-darwin10
GCC target triplet: x86_64-apple-darwin10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44250