*** empty log message ***

From-SVN: r1002

gcc/c-lex.c

@@ -1069,6 +1069,18 @@ yylex ()
 
 	  if (lastiddecl != 0 && TREE_CODE (lastiddecl) == TYPE_DECL)
 	    value = TYPENAME;
+	  /* A user-invisible read-only initialized variable
+	     should be replaced by its value.
+	     We handle only strings since that's the only case used in C.  */
+	  else if (lastiddecl != 0 && TREE_CODE (lastiddecl) == VAR_DECL
+		   && DECL_IGNORED_P (lastiddecl)
+		   && TREE_READONLY (lastiddecl)
+		   && DECL_INITIAL (lastiddecl) != 0
+		   && TREE_CODE (DECL_INITIAL (lastiddecl)) == STRING_CST)
+	    {
+	      yylval.ttype = DECL_INITIAL (lastiddecl);
+	      value = STRING;
+	    }
           else if (doing_objc_thang)
             {
 	      tree objc_interface_decl = lookup_interface (yylval.ttype);

gcc/toplev.c

@@ -1906,12 +1906,18 @@ rest_of_decl_compilation (decl, asmspec, top_level, at_end)
     TIMEVAR (varconst_time,
 	     {
 	       make_decl_rtl (decl, asmspec, top_level);
+	       /* For a user-invisible decl that should be replaced
+		  by its value when used, don't output anything.  */
+	       if (! (TREE_CODE (decl) == VAR_DECL
+		      && DECL_IGNORED_P (decl) && TREE_READONLY (decl)
+		      && DECL_INITIAL (decl) != 0))
 		 /* Don't output anything
 		    when a tentative file-scope definition is seen.
 		    But at end of compilation, do output code for them.  */
 		 if (! (! at_end && top_level
 			&& (DECL_INITIAL (decl) == 0
-			  || DECL_INITIAL (decl) == error_mark_node)))
+			    || DECL_INITIAL (decl) == error_mark_node
+			    || DECL_IGNORED_P (decl))))
 		   assemble_variable (decl, top_level, at_end);
 	     });
   else if (TREE_REGDECL (decl) && asmspec != 0)