[Bug debug/50279] [4.7 Regression] ICE while building the go front-end with LTO enabled

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50279

Jack Howarth <howarth at nitro dot med.uc.edu> changed:

           What    |Removed                     |Added
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                 CC|                            |howarth at nitro dot
                   |                            |med.uc.edu

--- Comment #2 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-09-15 20:15:02 UTC ---
The same error occurs while building xplor-nih on x86_64-apple-darwin11...

[MacPro:~/xplor-nih-2.27/nmrPot/bin.Darwin_11_x86_64] howarth% g++-fsf-4.7
-dynamiclib -fdefault-integer-8 -O3 -ffast-math -funroll-loops -g -flto
-flat_namespace -undefined suppress -single_module noePot.o atomProb.o
rdcPot1.o csaPot.o jCoupPot.o shapePot.o atomDensity.o probDistPot.o
cosRatioPot.o ncsPot.o prePot.o rdcWavePot.o varTensor.o surfaceArea.o
psolPot.o orderPot.o posRMSDPot.o utils.o posSymmPot.o sphereFun.o volume.o
planeDistPot.o selNBPot.o gyrPot.o cstMagPot.o diffPot.o relaxRatioPot.o
distSymmPot.o sardcPot.o surfTessellation.o torsionDBPot.o nbTargetPot.o
solnScatPot.o -o libnmrPot.dylib -lcrypto
-L/Users/howarth/xplor-nih-2.27/bin.Darwin_11_x86_64/ -lspecfun -lsurfD
-llapack -lblas 
In file included from /Users/howarth/xplor-nih-2.27/CDSlib/cdsList.hh:380:0,
                 from /Users/howarth/xplor-nih-2.27/CDSlib/cdsSStream.cc:325,
                 from :1622:
/Users/howarth/xplor-nih-2.27/nmrPot/relaxRatioPot.hh: In member function
‘numRestraints’:
/Users/howarth/xplor-nih-2.27/nmrPot/relaxRatioPot.hh:163:37: internal compiler
error: in splice_child_die, at dwarf2out.c:5007

Using -v, shows the failure occurs in...

 /sw/lib/gcc4.7/libexec/gcc/x86_64-apple-darwin11.2.0/4.7.0/lto1 -fPIC
-feliminate-unused-debug-symbols -quiet -dumpdir ./ -dumpbase
libnmrPot.dylib.ltrans1 -mmacosx-version-min=10.7.2 -mtune=core2 -auxbase-strip
/var/folders/1l/n78sywl52lz6kkys6nv7mnph0000gp/T//ccaxwWx8.ltrans1.ltrans.o -g
-O3 -version -fdefault-integer-8 -ffast-math -funroll-loops -fltrans
@/var/folders/1l/n78sywl52lz6kkys6nv7mnph0000gp/T//cc4I8zif -o
/var/folders/1l/n78sywl52lz6kkys6nv7mnph0000gp/T//ccA4Iv2n.s