d: Remove names of unused function parameters.

gcc/d/ChangeLog:

	* d-attribs.cc (handle_noreturn_attribute): Remove names of unused
	function parameters.
	(handle_leaf_attribute): Likewise.
	(handle_const_attribute): Likewise.
	(handle_malloc_attribute): Likewise.
	(handle_pure_attribute): Likewise.
	(handle_novops_attribute): Likewise.
	(handle_nonnull_attribute): Likewise.
	(handle_nothrow_attribute): Likewise.
	(handle_type_generic_attribute): Likewise.
	(handle_transaction_pure_attribute): Likewise.
	(handle_returns_twice_attribute): Likewise.
	(handle_fnspec_attribute): Likewise.
	(handle_always_inline_attribute): Likewise.
	(d_handle_noinline_attribute): Likewise.
	(d_handle_forceinline_attribute): Likewise.
	(d_handle_flatten_attribute): Likewise.
	(d_handle_noclone_attribute): Likewise.
	(d_handle_section_attribute): Likewise.
	(d_handle_alias_attribute): Likewise.
	(d_handle_weak_attribute): Likewise.

1 files changed, 31 insertions, 65 deletions

diff --git a/gcc/d/d-attribs.cc b/gcc/d/d-attribs.cc
index 3113795..964f59f 100644
--- a/gcc/d/d-attribs.cc
+++ b/gcc/d/d-attribs.cc
@@ -344,15 +344,15 @@ apply_user_attributes (Dsymbol *sym, tree node)
   input_location = saved_location;
 }
 
-/* Built-in attribute handlers.  */
+/* Built-in attribute handlers.
+   These functions take the arguments:
+   (tree *node, tree name, tree args, int flags, bool *no_add_attrs)  */
 
 /* Handle a "noreturn" attribute; arguments as in
    struct attribute_spec.handler.  */
 
 static tree
-handle_noreturn_attribute (tree *node, tree ARG_UNUSED (name),
-			   tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			   bool * ARG_UNUSED (no_add_attrs))
+handle_noreturn_attribute (tree *node, tree, tree, int, bool *)
 {
   tree type = TREE_TYPE (*node);
 
@@ -374,9 +374,7 @@ handle_noreturn_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-handle_leaf_attribute (tree *node, tree name,
-		       tree ARG_UNUSED (args),
-		       int ARG_UNUSED (flags), bool *no_add_attrs)
+handle_leaf_attribute (tree *node, tree name, tree, int, bool *no_add_attrs)
 {
   if (TREE_CODE (*node) != FUNCTION_DECL)
     {
@@ -396,9 +394,7 @@ handle_leaf_attribute (tree *node, tree name,
    struct attribute_spec.handler.  */
 
 static tree
-handle_const_attribute (tree *node, tree ARG_UNUSED (name),
-			tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			bool * ARG_UNUSED (no_add_attrs))
+handle_const_attribute (tree *node, tree, tree, int, bool *)
 {
   tree type = TREE_TYPE (*node);
 
@@ -420,9 +416,7 @@ handle_const_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 tree
-handle_malloc_attribute (tree *node, tree ARG_UNUSED (name),
-			 tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			 bool * ARG_UNUSED (no_add_attrs))
+handle_malloc_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL
 	      && POINTER_TYPE_P (TREE_TYPE (TREE_TYPE (*node))));
@@ -434,9 +428,7 @@ handle_malloc_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-handle_pure_attribute (tree *node, tree ARG_UNUSED (name),
-		       tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-		       bool * ARG_UNUSED (no_add_attrs))
+handle_pure_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
   DECL_PURE_P (*node) = 1;
@@ -447,9 +439,7 @@ handle_pure_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-handle_novops_attribute (tree *node, tree ARG_UNUSED (name),
-			 tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			 bool * ARG_UNUSED (no_add_attrs))
+handle_novops_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
   DECL_IS_NOVOPS (*node) = 1;
@@ -473,9 +463,7 @@ get_nonnull_operand (tree arg_num_expr, unsigned HOST_WIDE_INT *valp)
 /* Handle the "nonnull" attribute.  */
 
 static tree
-handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
-			  tree args, int ARG_UNUSED (flags),
-			  bool * ARG_UNUSED (no_add_attrs))
+handle_nonnull_attribute (tree *node, tree, tree args, int, bool *)
 {
   tree type = *node;
 
@@ -525,9 +513,7 @@ handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-handle_nothrow_attribute (tree *node, tree ARG_UNUSED (name),
-			  tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			  bool * ARG_UNUSED (no_add_attrs))
+handle_nothrow_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
   TREE_NOTHROW (*node) = 1;
@@ -537,9 +523,7 @@ handle_nothrow_attribute (tree *node, tree ARG_UNUSED (name),
 /* Handle a "type_generic" attribute.  */
 
 static tree
-handle_type_generic_attribute (tree *node, tree ARG_UNUSED (name),
-			       tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-			       bool * ARG_UNUSED (no_add_attrs))
+handle_type_generic_attribute (tree *node, tree, tree, int, bool *)
 {
   /* Ensure we have a function type.  */
   gcc_assert (TREE_CODE (*node) == FUNCTION_TYPE);
@@ -553,10 +537,7 @@ handle_type_generic_attribute (tree *node, tree ARG_UNUSED (name),
 /* Handle a "transaction_pure" attribute.  */
 
 static tree
-handle_transaction_pure_attribute (tree *node, tree ARG_UNUSED (name),
-				   tree ARG_UNUSED (args),
-				   int ARG_UNUSED (flags),
-				   bool * ARG_UNUSED (no_add_attrs))
+handle_transaction_pure_attribute (tree *node, tree, tree, int, bool *)
 {
   /* Ensure we have a function type.  */
   gcc_assert (TREE_CODE (*node) == FUNCTION_TYPE);
@@ -567,10 +548,7 @@ handle_transaction_pure_attribute (tree *node, tree ARG_UNUSED (name),
 /* Handle a "returns_twice" attribute.  */
 
 static tree
-handle_returns_twice_attribute (tree *node, tree ARG_UNUSED (name),
-				tree ARG_UNUSED (args),
-				int ARG_UNUSED (flags),
-				bool * ARG_UNUSED (no_add_attrs))
+handle_returns_twice_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
 
@@ -583,9 +561,7 @@ handle_returns_twice_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 tree
-handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED, tree ARG_UNUSED (name),
-			 tree args, int ARG_UNUSED (flags),
-			 bool *no_add_attrs ATTRIBUTE_UNUSED)
+handle_fnspec_attribute (tree *, tree, tree args, int, bool *)
 {
   gcc_assert (args
 	      && TREE_CODE (TREE_VALUE (args)) == STRING_CST
@@ -597,23 +573,22 @@ handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-handle_always_inline_attribute (tree *node, tree ARG_UNUSED (name),
-				tree ARG_UNUSED (args), int ARG_UNUSED (flags),
-				bool *no_add_attrs ATTRIBUTE_UNUSED)
+handle_always_inline_attribute (tree *node, tree, tree, int, bool *)
 {
   gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
 
   return NULL_TREE;
 }
 
-/* Language specific attribute handlers.  */
+/* Language specific attribute handlers.
+   These functions take the arguments:
+   (tree *node, tree name, tree args, int flags, bool *no_add_attrs)  */
 
 /* Handle a "noinline" attribute.  */
 
 static tree
-d_handle_noinline_attribute (tree *node, tree name,
-			     tree ARG_UNUSED (args),
-			     int ARG_UNUSED (flags), bool *no_add_attrs)
+d_handle_noinline_attribute (tree *node, tree name, tree, int,
+			     bool *no_add_attrs)
 {
   Type *t = TYPE_LANG_FRONTEND (TREE_TYPE (*node));
 
@@ -631,9 +606,7 @@ d_handle_noinline_attribute (tree *node, tree name,
 /* Handle a "forceinline" attribute.  */
 
 static tree
-d_handle_forceinline_attribute (tree *node, tree name,
-				tree ARG_UNUSED (args),
-				int ARG_UNUSED (flags),
+d_handle_forceinline_attribute (tree *node, tree name, tree, int,
 				bool *no_add_attrs)
 {
   Type *t = TYPE_LANG_FRONTEND (TREE_TYPE (*node));
@@ -663,9 +636,8 @@ d_handle_forceinline_attribute (tree *node, tree name,
 /* Handle a "flatten" attribute.  */
 
 static tree
-d_handle_flatten_attribute (tree *node, tree name,
-			    tree args ATTRIBUTE_UNUSED,
-			    int flags ATTRIBUTE_UNUSED, bool *no_add_attrs)
+d_handle_flatten_attribute (tree *node, tree name, tree, int,
+			    bool *no_add_attrs)
 {
   Type *t = TYPE_LANG_FRONTEND (TREE_TYPE (*node));
 
@@ -701,10 +673,8 @@ d_handle_target_attribute (tree *node, tree name, tree args, int flags,
 /* Handle a "noclone" attribute.  */
 
 static tree
-d_handle_noclone_attribute (tree *node, tree name,
-				tree ARG_UNUSED (args),
-				int ARG_UNUSED (flags),
-				bool *no_add_attrs)
+d_handle_noclone_attribute (tree *node, tree name, tree, int,
+			    bool *no_add_attrs)
 {
   Type *t = TYPE_LANG_FRONTEND (TREE_TYPE (*node));
 
@@ -730,8 +700,8 @@ d_handle_noclone_attribute (tree *node, tree name,
    struct attribute_spec.handler.  */
 
 static tree
-d_handle_section_attribute (tree *node, tree ARG_UNUSED (name), tree args,
-			    int ARG_UNUSED (flags), bool *no_add_attrs)
+d_handle_section_attribute (tree *node, tree, tree args, int,
+			    bool *no_add_attrs)
 {
   tree decl = *node;
 
@@ -791,9 +761,8 @@ d_handle_section_attribute (tree *node, tree ARG_UNUSED (name), tree args,
    struct attribute_spec.handler.  */
 
 static tree
-d_handle_alias_attribute (tree *node, tree ARG_UNUSED (name),
-			  tree args, int ARG_UNUSED (flags),
-			  bool *no_add_attrs ATTRIBUTE_UNUSED)
+d_handle_alias_attribute (tree *node, tree name, tree args, int,
+			  bool *no_add_attrs)
 {
   tree decl = *node;
 
@@ -850,10 +819,7 @@ d_handle_alias_attribute (tree *node, tree ARG_UNUSED (name),
    struct attribute_spec.handler.  */
 
 static tree
-d_handle_weak_attribute (tree *node, tree name,
-			 tree ARG_UNUSED (args),
-			 int ARG_UNUSED (flags),
-			 bool * ARG_UNUSED (no_add_attrs))
+d_handle_weak_attribute (tree *node, tree name, tree, int, bool *no_add_attrs)
 {
   if (TREE_CODE (*node) == FUNCTION_DECL
       && DECL_DECLARED_INLINE_P (*node))