[PATCH] TESTSUITE: Fix tests for 16-bit targets

[Joseph Myers]

On Fri, 15 May 2020, Jozef Lawrynowicz wrote:

> The attached patch fixes many GCC and G++ tests for 16-bit targets. These
> targets can have the following properties:
> - "int", "size_t", "ptrdiff_t", "void *" are 16-bit types
> - sizeof(int) == sizeof(short)

Some of the tests are disabled by the patch for the case where pointers 
are the same size as int.  Were those tests all previously failing for 
32-bit targets where that's the case?  If not, ptr_eq_int seems an 
inappropriate condition for disabling them.

-- 
Joseph S. Myers
joseph@codesourcery.com