ICE in optimized bootstrap build

[Manfred Hollstein]

David Ronis wrote:
> The last snapshot or so has ICE'd in trying to compile exception.cc on
> an i686-linux-gnu box.
> 
> I configured with CFLAGS="-O3 -march=i686 -funroll-loops -ffast-math
> -fomit-frame-pointer -malign-jumps=3 -malign-functions=3
> -malign-loops=3 -mpreferred-stack-boundary=3"
> 
> and 
> 
> configure options --host=i686-pc-linux-gnu --prefix=/usr --with-gnu-as
> --enable-shared --with-gnu-ld --enable-threads=posix
> 
> (If I use the default CFLAGS everything compiles properly).

I can confirm this is happening with plain -O9 for BOOT_CFLAGS,
CFLAGS, and CXXFLAGS, too. No need to throw in all the other
special flags.

Cheers.

l8er
manfred