re PR testsuite/52641 (Test cases fail for 16-bit int targets)

re PR testsuite/52641 (Test cases fail for 16-bit int targets)

gcc/testsuite/
	PR testsuite/52641
	* gcc.dg/builtin-object-size-16.c (ia0, ia1, ia9): Handle case
	where neither short nor int has a size of 4; use long.
	* gcc.dg/builtin-object-size-17.c: Same.
	* gcc.dg/builtin-stringop-chk-1.c (test2) <struct S>: Use int32_t
	for components as 4 components are supposed to occupy 16 bytes.
	* gcc.dg/pr78408-1.c: Require target size32plus.
	* gcc.dg/pr78408-2.c: Same.
	* gcc.dg/tree-ssa/pr78428.c. Require target int32plus.
	* gcc.dg/tree-ssa/tailcall-7.c: Require target trampolines.

From-SVN: r243854