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From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
Subject: Re: optimization/8300: [3.2/3.3/3.4 regression] [sparc] ICE in gen_reg_rtx, at emit-rtl.c:662
Reply-To: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
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The following reply was made to PR optimization/8300; it has been noted by GNATS.

From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: Robert Schiele <rschiele@uni-mannheim.de>
Cc: Richard Henderson <rth@redhat.com>, gcc-bugs@gcc.gnu.org,
   tneumann@pi3.informatik.uni-mannheim.de, gcc-gnats@gcc.gnu.org
Subject: Re: optimization/8300: [3.2/3.3/3.4 regression] [sparc] ICE in gen_reg_rtx, at emit-rtl.c:662
Date: 17 Mar 2003 16:24:34 +0100

 Robert Schiele <rschiele@uni-mannheim.de> writes:
 
 > How about this:
 > 
 > 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.
 
 -- 
 	Falk