Improve warning suppression for inlined functions.

Improve warning suppression for inlined functions.

Resolves:
PR middle-end/98871 - Cannot silence -Wmaybe-uninitialized at declaration site
PR middle-end/98512 - #pragma GCC diagnostic ignored ineffective in conjunction with alias attribute

gcc/ChangeLog:

	* builtins.c (warn_string_no_nul): Remove %G.
	(maybe_warn_for_bound): Same.
	(warn_for_access): Same.
	(check_access): Same.
	(check_strncat_sizes): Same.
	(expand_builtin_strncat): Same.
	(expand_builtin_strncmp): Same.
	(expand_builtin): Same.
	(expand_builtin_object_size): Same.
	(warn_dealloc_offset): Same.
	(maybe_emit_free_warning): Same.
	* calls.c (maybe_warn_alloc_args_overflow): Same.
	(maybe_warn_nonstring_arg): Same.
	(maybe_warn_rdwr_sizes): Same.
	* expr.c (expand_expr_real_1): Remove %K.
	* gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
	(gimple_fold_builtin_strncat): Same.
	* gimple-ssa-sprintf.c (format_directive): Same.
	(handle_printf_call): Same.
	* gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
	* gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
	(maybe_diag_access_bounds): Same.  Call gimple_location.
	(check_bounds_or_overlap): Same.
	* trans-mem.c (ipa_tm_scan_irr_block): Remove %K.  Simplify.
	* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
	* tree-ssa-strlen.c (maybe_warn_overflow): Same.
	(maybe_diag_stxncpy_trunc): Same.
	(handle_builtin_stxncpy_strncat): Same.
	(maybe_warn_pointless_strcmp): Same.
	* tree-ssa-uninit.c (maybe_warn_operand): Same.

gcc/testsuite/ChangeLog:

	* gcc.dg/Wobjsize-1.c: Prune expected output.
	* gcc.dg/Warray-bounds-71.c: New test.
	* gcc.dg/Warray-bounds-71.h: New test header.
	* gcc.dg/Warray-bounds-72.c: New test.
	* gcc.dg/Warray-bounds-73.c: New test.
	* gcc.dg/Warray-bounds-74.c: New test.
	* gcc.dg/Warray-bounds-75.c: New test.
	* gcc.dg/Wfree-nonheap-object-4.c: Adjust expected output.
	* gcc.dg/Wfree-nonheap-object-5.c: New test.
	* gcc.dg/Wfree-nonheap-object-6.c: New test.
	* gcc.dg/pragma-diag-10.c: New test.
	* gcc.dg/pragma-diag-9.c: New test.
	* gcc.dg/uninit-suppress_3.c: New test.
	* gcc.dg/pr79214.c: Xfail tests.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-27.c: New test.
	* gcc.dg/format/c90-printf-1.c: Adjust expected output.