gcc/gcc ChangeLog tree-ssa-loop-im.c

[Zdenek Dvorak]

Hello,

> >>This patch causes a bootstrap failure on powerpc-darwin.
> >>The problem is that we get the following differences for emit-rtl.c
> >>between stage1 and stage2, this usually means that the hastable is
> >>traversed but the hastable is not stable across the compiling:
> >
> >I cannot reproduce the problem (using powerpc-linux and
> >powerpc64-linux).
> 
> That is because it does not show up all the time and you were just
> getting lucky that the memory addresses were the same.  Diego
> could reproduce this on and off on both x86_64 and x86.

this looks like the patch uses some unitialized memory.  I will try
valgrind on i686, perhaps it catches something.

Zdenek