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Re: [PATCH][LTO] Fix PR48437


On Wed, Dec 07, 2011 at 03:52:35PM +0100, Richard Guenther wrote:
> *** gcc/testsuite/gcc.dg/guality/pr48437.c	(revision 0)
> --- gcc/testsuite/gcc.dg/guality/pr48437.c	(revision 0)
> ***************
> *** 0 ****
> --- 1,15 ----
> + /* PR lto/48437 */
> + /* { dg-do run } */
> + /* { dg-options "-g" } */
> + 
> + int i __attribute__((used));
> + int main()
> + {
> +   volatile int i;
> +   for (i = 3; i < 7; ++i)
> +     {
> +       extern int i; /* { dg-final { gdb-test 7 "i" "0" } } */
> +       asm volatile ("" : : : "memory");

Do you really want to test it on line 7 ({ of after main())?
I'd expect you want to look at it on the line where asm volatile is,
and make sure you can put a breakpoint on it:
#include "../nop.h"
early and use NOP instead of "" as the asm pattern.

	Jakub


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