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Re: sparc-sun-solaris2.8 bootstrap failure


Rainer Orth writes:

> Indeed: the stage1 cc1 is fine.  Yesterday evening, I could narrow the
> breakage down a bit more:
> 
> * TZ=GMT -D '20030713 00:00': ok
> 
> 2003-07-12  Kazu Hirata  <kazu@cs.umass.edu>
> 
> 	* config/alpha/alpha.c: Fix comment typos.
> 
> * TZ=GMT -D '20030714 00:00': broken
> 
> 2003-07-13  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
> 
> 	* expr.c (expand_expr, case COMPONENT_REF): If reg, copy OP0 to MEM

I've just identified the culprit patch:

	http://gcc.gnu.org/ml/gcc-patches/2003-07/msg01302.html

2003-07-13  Kazu Hirata  <kazu@cs.umass.edu>

	* combine.c (simplify_comparison): Convert (ne (and (not X) 1) 0)
	to (eq (and X 1) 0).

I causes the stage2 cc1 to be miscompiled.

	Rainer


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