ggc-zone.c: Follow spelling conventions.

	* ggc-zone.c: Follow spelling conventions.
	* config/rs6000/rs6000.c: Likewise.
	* pt.c: Likewise.
	* semantics.c: Likewise.
	* objc/objc-act.c: Likewise.

From-SVN: r74590

gcc/config/rs6000/rs6000.c

@@ -13667,7 +13667,7 @@ is_microcoded_insn (rtx insn)
   return false;
 }
 
-/* The function returns a non-zero value if INSN can be scheduled only
+/* The function returns a nonzero value if INSN can be scheduled only
    as the first insn in a dispatch group ("dispatch-slot restricted").
    In this case, the returned value indicates how many dispatch slots
    the insn occupies (at the beginning of the group).

gcc/cp/pt.c

@@ -922,7 +922,7 @@ is_specialization_of_friend (tree decl, tree friend)
        };
 
      For this type of template friend, TEMPLATE_DEPTH below will be
-     non-zero.  To determine if DECL is a friend of FRIEND, we first
+     nonzero.  To determine if DECL is a friend of FRIEND, we first
      check if the enclosing class is a specialization of another.  */
 
   template_depth = template_class_depth (DECL_CONTEXT (friend));

gcc/cp/semantics.c

@@ -1263,7 +1263,7 @@ finish_non_static_data_member (tree decl, tree object, tree qualifying_scope)
 	    }
 	}
 
-      /* If PROCESSING_TEMPLATE_DECL is non-zero here, then
+      /* If PROCESSING_TEMPLATE_DECL is nonzero here, then
 	 QUALIFYING_SCOPE is also non-null.  Wrap this in a SCOPE_REF
 	 for now.  */
       if (processing_template_decl)

gcc/ggc-zone.c

@@ -268,7 +268,7 @@ typedef struct page_entry
 #endif
 
   /* Number of bytes on the page unallocated.  Only used during
-     collection, and even then large pages merely set this non-zero.  */
+     collection, and even then large pages merely set this nonzero.  */
   size_t bytes_free;
 
   /* Context depth of this page.  */

gcc/objc/objc-act.c

@@ -5654,7 +5654,7 @@ build_message_expr (tree mess)
 
 /* Look up method SEL_NAME that would be suitable for receiver
    of type 'id' (if IS_CLASS is zero) or 'Class' (if IS_CLASS is
-   non-zero), and report on any duplicates.  */
+   nonzero), and report on any duplicates.  */
 
 static tree
 lookup_method_in_hash_lists (tree sel_name, int is_class)