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Re: [PATCH]: Fix missed PRE optimization discovered


On Fri, 2008-10-17 at 19:17 +0200, Eric Botcazou wrote:
> > Doesn't break on x86_64-linux-gnu for me (ubuntu hardy), trying
> > i686-pc-linux-gnu.
> 
> Really sure?  Our x86 and x86-64 testers are down and Laurent Guerby's tester 
> on x86-64 hasn't posted anything to gcc-results@ since rev 141181.

I confirm 141181 was the last to bootstrap c,ada on x86_64,
the next update of the build script led to a failure:

Fri Oct 17 04:18:33 CEST 2008
Updating SVN tree
U    gcc/DATESTAMP
U    gcc/ChangeLog
U    gcc/tree-ssa-pre.c
Updated to revision 141186.
...

raised STORAGE_ERROR : stack overflow (or erroneous memory access)
gnatmake: "/home/guerby/trunk/gcc/ada/gnatname.adb" compilation error
make[3]: *** [common-tools] Error 4
make[3]: Leaving directory `/home/guerby/build/gcc/ada/tools'
make[2]: *** [gnattools-native] Error 2
make[2]: Leaving directory `/home/guerby/build/gnattools'
make[1]: *** [all-gnattools] Error 2
make[1]: Leaving directory `/home/guerby/build'
make: *** [bootstrap] Error 2
Fri Oct 17 06:22:24 CEST 2008

For reference, the configure line of my build script is:

../trunk/configure --prefix=/n/11/guerby/install-trunk
--enable-languages=c,ada --enable-__cxa_atexit --disable-nls
--enable-threads=posix --with-mpfr=/opt/cfarm/mpfr-2.3.1

And base version of GCC is "4.1.2 20061115 (prerelease) (Debian
4.1.1-21)".

Laurent



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