Bootstrap Heisen-ICE?

[bobby mcnulty]

Ranjit Mathew wrote:

> Hi,
> 
>   Since Friday (Indian Standard Time, GMT+5:30), I've
> been seeing a bootstrap failure (ICE) while compiling
> insn-attrab.c (on i686-pc-linux-gnu with --disable-checking)
> the first time around, but the moment I try to reproduce it,
> the build goes through fine! It'll then randomly ICE in
> either libstc++-v3 or libgcj - again, running make again
> will get past that failure.
> 
> If it matters, till Monday, the machine was using Red Hat
> Enterprise Linux 3 Update 2, but even moving to Update 3
> hasn't helped matters one bit.
> 
> Has anyone else been seeing this? I want to help track
> this down, but as I said earlier, the moment I try to, it
> disappears. :-(
> 
> The machine has hyperthreading enabled and I'm using an
> SMP kernel (2.4.21-20.ELsmp from Red Hat). I configure
> thus:
> 
> $GCC_SRC_DIR/configure --prefix=$HOME/gcc --enable-languages=c,c++,java \
> --disable-nls --disable-checking --disable-libmudflap \
> --disable-debug --enable-threads=posix --enable-__cxa_atexit
> 
> and I use a simple "make bootstrap" (note: not a parallel
> build).
> 
> FWIW, this machine had otherwise been bootstrapping mainline
> regularly till around a month ago and no hardware has been
> added/removed.
> 
> Thanks,
> Ranjit.
> 
My celeron is building gcc 4.0 just fine.
Enable checking, and it should work.
I'm only rebuilding it so I can use it without debugging stuff.
Bobby