[Bug bootstrap/48400] [4.7 Regression] powerpc-apple-darwin9 fails to bootstrap at revision 171824

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48400

--- Comment #12 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-04-02 15:01:18 UTC ---
> Well, then someone will have to debug this somehow; it really looks
> like we're producing the same output before and after...

I have bootstrapped revision 171815 and
powerpc-apple-darwin9/ppc64/libgcc/_clz_s.o at stage 1 for evision 171816
differs from the same file in stage1-powerpc-apple-darwin9/ppc64/libgcc/.
collect2 gives a bus error with the former, but not with the later. The only
differences for the outputs of dwarfdump are

[karma] gcc/rel_build% diff dw_15 dw_16
2c2
<  File: ../rel_build-171815/stage1-powerpc-apple-darwin9/ppc64/libgcc/_clz_s.o
(ppc64)
---
>  File: powerpc-apple-darwin9/ppc64/libgcc/_clz_s.o (ppc64)
9c9
<              AT_producer( "GNU C 4.7.0 20110401 (experimental) [trunk
revision 171815]" )
---
>              AT_producer( "GNU C 4.7.0 20110401 (experimental) [trunk revision 171816]" )

Will it help if I attach the object files?