optimization/8300: [3.2/3.3/3.4 regression] [sparc] ICE in gen_reg_rtx, at emit-rtl.c:662

[Robert Schiele]

On Mon, Mar 17, 2003 at 05:59:25PM +0100, Falk Hueffner wrote:
> Robert Schiele <rschiele@uni-mannheim.de> writes:
> 
> > On Mon, Mar 17, 2003 at 04:24:34PM +0100, Falk Hueffner wrote:
> > > Robert Schiele <rschiele@uni-mannheim.de> writes:
> > > 
> > > > void a() {
> > > >     double b;
> > > >     int c[2];
> > > >     *((int*)&b) && (c[1] = 0);
> > > > }
> > > > 
> > > > Exactly same problem.  And this time there is no pointer outside well
> > > > defined data area.  You agree that this sample is legal code?
> > > 
> > > No, you're violating the rule in 6.5.7 by accessing an object of type
> > > double with an lvalue of type int.
> > 
> > 6.5.7?  This one is about bitwise shift operators
> 
> Sorry, I meant 6.5, paragraph 7.

Thanks again.  Got it now.  I am convinced that this is illegal code.

Robert

-- 
Robert Schiele			Tel.: +49-621-181-2517
Dipl.-Wirtsch.informatiker	mailto:rschiele@uni-mannheim.de
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