GCC build failed for native with your patch on 2003-07-09T09:41:45Z.

[Jan Hubicka]

> On Wed, 2003-07-09 at 16:03, Jan Hubicka wrote:
> > > 
> > > I have a small (8 lines) test-case which fails on powerpc-apple-darwin  
> > > but it
> > > does not fail on i686-pc-linux-gnu sorry (do not know why though).
> > > 
> > > --------------------------------- 
> > > cut------------------------------------------
> > > union _Obj {};
> > > _Obj* __next_obj;
> > > template<bool __threads, int __inst> void _S_refill()
> > > {
> > >   for (int __i = 1; ; __i++)
> > >       __next_obj = __next_obj;
> > > }
> > 
> > In the testcase I am seeing the problem is caused by the fact that
> > PREINCREMENT_EXPR is created but it's argument 2 is bogus.  Not sure
> > from where the expr comes from.
> 
> Oh, great!  That's the key!
> 
> PREINCREMENT_EXPR is weird -- it's a unary operator for C/C++, but a
> binary operator in "tree".  (It's harmless to pass an extra operand to

That what I expected, but wasn't able to locate the exact spot where
operand is missed.
> "build_min" in the cases that don't need it, in case you're worried.)
> 
> I am betting that this patch will fix it.  Would you try that?  If it
> works, check it in -- or ask me to do so.  Thanks for the help!

Yes, it works on the testcase.  I've started full bootstrap but won't be
online before tomorrow most probably.

Honza