On Dez 10 2019, Jakub Jelinek wrote:
> --- gcc/testsuite/gcc.target/i386/pr92841.c.jj 2019-12-09
> 19:38:29.572759215 +0100
> +++ gcc/testsuite/gcc.target/i386/pr92841.c 2019-12-09 19:40:59.642492417
> +0100
> @@ -0,0 +1,17 @@
> +/* PR target/92841 */
> +/* { dg-do compile { target fstack_protector } } */
> +/* { dg-options "-O2 -fstack-protector-strong -masm=att" } */
> +/* { dg-final { scan-assembler-not "xor\[lq]\t%(\[re]\[a-z0-9]*),
> %\\1\[\n\r]*\tmov\[lq]\t\[^\n\r]*, %\\1" } } */
> +
> +const struct S { int b; } c[] = {30, 12, 20, 0, 11};
> +void bar (int *);
> +
> +void
> +foo (void)
> +{
> + int e[4];
> + const struct S *a;
> + for (a = c; a < c + sizeof (c); a++)
> + if (a->b)
This accesses c beyond bounds. Does that invalidate the test?
Andreas.
--
Andreas Schwab, SUSE Labs, [email protected]
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