[PATCH 3/13] v2 Use new per-location warning APIs in C front end

[Martin Sebor]

On 6/23/21 11:09 PM, Jeff Law wrote:
> 
> 
> On 6/4/2021 3:41 PM, Martin Sebor via Gcc-patches wrote:
>> The attached patch replaces the uses of TREE_NO_WARNING in the C front
>> end with the new suppress_warning(), warning_suppressed_p(), and
>> copy_warning() APIs.
>>
>> gcc-no-warning-c.diff
>>
>> Add support for per-location warning groups.
>>
>> gcc/c/ChangeLog:
>>
>> 	* c-decl.c (pop_scope): Replace direct uses of TREE_NO_WARNING with
>> 	warning_suppressed_p, suppress_warning, and copy_no_warning.
>> 	(diagnose_mismatched_decls): Same.
>> 	(duplicate_decls): Same.
>> 	(grokdeclarator): Same.
>> 	(finish_function): Same.
>> 	(c_write_global_declarations_1): Same.
>> 	* c-fold.c (c_fully_fold_internal): Same.
>> 	* c-parser.c (c_parser_expr_no_commas): Same.
>> 	(c_parser_postfix_expression): Same.
>> 	* c-typeck.c (array_to_pointer_conversion): Same.
>> 	(function_to_pointer_conversion): Same.
>> 	(default_function_array_conversion): Same.
>> 	(convert_lvalue_to_rvalue): Same.
>> 	(default_conversion): Same.
>> 	(build_indirect_ref): Same.
>> 	(build_function_call_vec): Same.
>> 	(build_atomic_assign): Same.
>> 	(build_unary_op): Same.
>> 	(c_finish_return): Same.
>> 	(emit_side_effect_warnings): Same.
>> 	(c_finish_stmt_expr): Same.
>> 	(c_omp_clause_copy_ctor): Same.
> OK once prereqs are approved.

I've retested this on top of the first patch and pushed r12-1802.

Martin