[PATCH 2/11] use xxx_no_warning APIs in Ada

[Martin Sebor <msebor@gmail.com>]

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[PATCH 2/11] use xxx_no_warning APIs in Ada.

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Add support for per-location warning groups.

gcc/ada/ChangeLog:

	* gcc-interface/trans.c (Handled_Sequence_Of_Statements_to_gnu):
	Replace TREE_NO_WARNING with set_no_warning.
	(gnat_gimplify_expr): Same.
	* gcc-interface/utils.c (gnat_pushdecl): Same.

diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
index 9aeaf038118..63d662669ef 100644
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -5357,7 +5357,7 @@ Handled_Sequence_Of_Statements_to_gnu (Node_Id gnat_node)
 	 because of the unstructured form of EH used by fe_sjlj_eh, there
 	 might be forward edges going to __builtin_setjmp receivers on which
 	 it is uninitialized, although they will never be actually taken.  */
-      TREE_NO_WARNING (gnu_jmpsave_decl) = 1;
+      set_no_warning (gnu_jmpsave_decl, OPT_Wuninitialized);
       gnu_jmpbuf_decl
 	= create_var_decl (get_identifier ("JMP_BUF"), NULL_TREE,
 			   jmpbuf_type,
@@ -8792,7 +8792,7 @@ gnat_gimplify_expr (tree *expr_p, gimple_seq *pre_p,
       else
 	{
 	  *expr_p = create_tmp_var (type, NULL);
-	  TREE_NO_WARNING (*expr_p) = 1;
+	  set_no_warning (*expr_p);
 	}
 
       gimplify_and_add (TREE_OPERAND (expr, 0), pre_p);
diff --git a/gcc/ada/gcc-interface/utils.c b/gcc/ada/gcc-interface/utils.c
index 80a4160adf3..7d08ae9193a 100644
--- a/gcc/ada/gcc-interface/utils.c
+++ b/gcc/ada/gcc-interface/utils.c
@@ -836,7 +836,7 @@ gnat_pushdecl (tree decl, Node_Id gnat_node)
   if (!deferred_decl_context)
     DECL_CONTEXT (decl) = context;
 
-  TREE_NO_WARNING (decl) = (No (gnat_node) || Warnings_Off (gnat_node));
+  set_no_warning (decl, (No (gnat_node) || Warnings_Off (gnat_node)));
 
   /* Set the location of DECL and emit a declaration for it.  */
   if (Present (gnat_node) && !renaming_from_instantiation_p (gnat_node))