[patch] fix wrong gimple code with ptr to forward vla

[Ian Lance Taylor]

Olivier Hainque <hainque@adacore.com> writes:

>         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
>         Don't recurse on the pointed-to type.
>         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
> 	DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
> 	types with components of variable size.
> 
>         testsuite/
>         * gnat.dg/forward_vla.adb: New case.
> 	* gcc.dg/typename-vla-1.c: New case.

The patch to gimplify.c is OK.

Thanks.

Ian