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Re: PATCH: PR c/43125: [4.5 Regression] Revision 156907 failed gcc.dg/attr-used.c
- From: Janis Johnson <janis187 at us dot ibm dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 22 Feb 2010 13:27:05 -0800
- Subject: Re: PATCH: PR c/43125: [4.5 Regression] Revision 156907 failed gcc.dg/attr-used.c
- References: <20100221155454.GA23493@intel.com>
On Sun, 2010-02-21 at 07:54 -0800, H.J. Lu wrote:
> Hi,
>
> We don't have C++ tests for used attribute. This patch moves C tests to
> c-c++-common. OK to install?
>
> Thanks.
OK.
Janis
> ---
> 2010-02-21 H.J. Lu <hongjiu.lu@intel.com>
>
> PR c/43125
> * gcc.dg/attr-used-2.c: Moved to ...
> * c-c++-common/attr-used-2.c: Here.
>
> * gcc.dg/attr-used.c: Moved to ...
> * c-c++-common/attr-used.c: Here.
>
> --- /dev/null 2010-02-17 08:35:46.237211646 -0800
> +++ gcc/testsuite/c-c++-common/attr-used-2.c 2009-10-14 11:53:06.000000000 -0700
> @@ -0,0 +1,11 @@
> +/* { dg-do compile } */
> +/* { dg-options "-Wall -O2" } */
> +
> +static int xyzzy __attribute__((__used__)) = 1;
> +
> +void foo()
> +{
> + int x __attribute__((__used__)); /* { dg-warning "attribute ignored|unused variable" } */
> +}
> +
> +/* { dg-final { scan-assembler "xyzzy" } } */
> --- /dev/null 2010-02-17 08:35:46.237211646 -0800
> +++ gcc/testsuite/c-c++-common/attr-used.c 2009-10-14 11:53:06.000000000 -0700
> @@ -0,0 +1,13 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O3" } */
> +
> +static void function_declaration_before(void) __attribute__((__used__));
> +
> +static void function_declaration_before(void) {}
> +
> +static void function_declaration_after(void) {}
> +
> +static void function_declaration_after(void) __attribute__((__used__));
> +
> +/* { dg-final { scan-assembler "function_declaration_before" } } */
> +/* { dg-final { scan-assembler "function_declaration_after" } } */