On 11/08/2016 05:28 PM, Martin Sebor wrote:
> Hi Martin,
>
> I noticed a new failure in the use-after-scope-8.c test on powerpc64le:
>
> FAIL: gcc.dg/asan/use-after-scope-8.c -O0 (test for excess errors)
>
> with the error being
>
> use-after-scope-8.c:9:16: error: invalid register name for 'a'
>
> It looks to me as though the dg-skip-if directive in the test isn't
> having the desired effect:
>
> /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
>
> I'm not familiar with the specifics of the directive but changing
> it to this got rid of the error for me:
>
> // { dg-skip-if "" { *-*-* } "-O0" "" }
>
> Looking more closely at the code, it references an x86 register
> which is obviously not going to be valid on other processors.
> I'm not sure I understand the purpose of the register variable
> (on powerpc64le the test passes without it) but if it's important
> for some reason then as an alternative to the above, changing
> the register to one that's generally available and getting rid
> of the directive should work too. This did the trick for me:
>
> register int a asm ("0") = 123;
>
> Martin
Hello.
I know about the issue, I decided to remove the test-case as it didn't test
any interesting behavior. Fixed in r241961.
Martin
