[Bug other/49284] -fdump-ipa-cgraph leads to ICE in generate_canonical_option, at opts-common.c:303

["egallager at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49284

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |egallager at gcc dot gnu.org

--- Comment #8 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Matt Hargett from comment #7)
> I get this when trying to compile scummvm with LTO and whole-program:
> 
> $ /usr/lib/gcc-snapshot/bin/g++ --version
> 
> g++ (Ubuntu/Linaro 20110813-1ubuntu1) 4.7.0 20110813 (experimental) [trunk
> revision 177733]
> 
> 
> $ CC=/usr/lib/gcc-snapshot/bin/gcc CXX=/usr/lib/gcc-snapshot/bin/g++
> CFLAGS="-Ofast -flto" CXXFLAGS="-Ofast -flto" LDFLAGS="-flto
> -fwhole-program" ./configure
> 
> [...]
> 
> $ make -j9
> 
> [...]
> 
> 
>     RANLIB   base/libbase.a
>     LINK     scummvm
> lto1: internal compiler error: in generate_canonical_option, at
> opts-common.c:303
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
> lto-wrapper: /usr/lib/gcc-snapshot/bin/g++ returned 1 exit status
> /usr/bin/ld.bfd.real: lto-wrapper failed
> collect2: error: ld returned 1 exit status
> 
> 
> Removing -fwhole-program and changing the CXXFLAGS to -O1 doesn't change the
> behaviour. I can attach a tarball if downloading the latest scummvm tarball
> is too bothersome.
> 

If there's too many files to attach preprocessed source for each of them, could
you at least post a link to the scummvm tarball you used?