Ping.
I'd like to commit this. The discussion seems to have ended up with the
conclusion that this is a reasonable approach.
paul
> On Nov 1, 2018, at 3:13 PM, Paul Koning <paulkon...@comcast.net> wrote:
>
> A number of test cases contain declarations like:
> void *memcpy();
> which currently are silently accepted on most platforms but not on all; pdp11
> (and possibly some others) generate a "conflicting types for built-in
> function" warning.
>
> It was suggested to prune those messages because the test cases where these
> occur are not looking for the message but are testing some other issue, so
> the message is not relevant. The attached patch adds dg-prune-output
> directives to do so.
>
> Ok for trunk?
>
> paul
>
> ChangeLog:
>
> 2018-11-01 Paul Koning <n...@arrl.net>
>
> * gcc.dg/Walloca-16.c: Ignore conflicting types for built-in
> warnings.
> * gcc.dg/Wrestrict-4.c: Ditto.
> * gcc.dg/Wrestrict-5.c: Ditto.
> * gcc.dg/pr83463.c: Ditto.
> * gcc.dg/torture/pr55890-2.c: Ditto.
> * gcc.dg/torture/pr55890-3.c: Ditto.
> * gcc.dg/torture/pr71816.c: Ditto.
>
> Index: gcc.dg/Walloca-16.c
> ===================================================================
> --- gcc.dg/Walloca-16.c (revision 265727)
> +++ gcc.dg/Walloca-16.c (working copy)
> @@ -1,5 +1,6 @@
> /* PR tree-optimization/84224 */
> /* { dg-do compile } */
> +/* { dg-prune-output "conflicting types for built-in" } */
> /* { dg-options "-O0 -Walloca" } */
>
> void *alloca ();
> Index: gcc.dg/Wrestrict-4.c
> ===================================================================
> --- gcc.dg/Wrestrict-4.c (revision 265727)
> +++ gcc.dg/Wrestrict-4.c (working copy)
> @@ -3,6 +3,7 @@
> Test to verify that invalid calls to built-in functions declared
> without a prototype don't cause an ICE.
> { dg-do compile }
> + { dg-prune-output "conflicting types for built-in" }
> { dg-options "-O2 -Warray-bounds -Wrestrict" } */
>
> void* memcpy ();
> Index: gcc.dg/Wrestrict-5.c
> ===================================================================
> --- gcc.dg/Wrestrict-5.c (revision 265727)
> +++ gcc.dg/Wrestrict-5.c (working copy)
> @@ -2,6 +2,7 @@
> functions declared with no prototype are checked for overlap, and that
> invalid calls are ignored.
> { dg-do compile }
> + { dg-prune-output "conflicting types for built-in" }
> { dg-options "-O2 -Wrestrict" } */
>
> typedef __SIZE_TYPE__ size_t;
> Index: gcc.dg/pr83463.c
> ===================================================================
> --- gcc.dg/pr83463.c (revision 265727)
> +++ gcc.dg/pr83463.c (working copy)
> @@ -1,5 +1,6 @@
> /* PR middle-end/83463 */
> /* { dg-do compile } */
> +/* { dg-prune-output "conflicting types for built-in" } */
> /* { dg-options "-O2 -Wrestrict -Wno-pointer-to-int-cast" } */
>
> int *a;
> Index: gcc.dg/torture/pr55890-2.c
> ===================================================================
> --- gcc.dg/torture/pr55890-2.c (revision 265727)
> +++ gcc.dg/torture/pr55890-2.c (working copy)
> @@ -1,4 +1,5 @@
> /* { dg-do compile } */
> +/* { dg-prune-output "conflicting types for built-in" } */
>
> extern void *memcpy();
> int main() { memcpy(); }
> Index: gcc.dg/torture/pr55890-3.c
> ===================================================================
> --- gcc.dg/torture/pr55890-3.c (revision 265727)
> +++ gcc.dg/torture/pr55890-3.c (working copy)
> @@ -1,4 +1,5 @@
> /* { dg-do compile } */
> +/* { dg-prune-output "conflicting types for built-in" } */
>
> void *memmove ();
>
> Index: gcc.dg/torture/pr71816.c
> ===================================================================
> --- gcc.dg/torture/pr71816.c (revision 265727)
> +++ gcc.dg/torture/pr71816.c (working copy)
> @@ -1,4 +1,5 @@
> /* { dg-do compile } */
> +/* { dg-prune-output "conflicting types for built-in" } */
>
> void *ext2fs_resize_mem_p;
> struct ext2_icount_el {
>
