re PR debug/41343 (sysdeps/ieee754/dbl-64/dosincos.c from glibc causes excessive memory use)

PR debug/41343
PR debug/41447
PR debug/41264
PR debug/41338
* tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
decl with rtl.
(tree_code_size): Likewise.

From-SVN: r152749

gcc/ChangeLog

+2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR debug/41343
+	PR debug/41447
+	PR debug/41264
+	PR debug/41338
+	* tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
+	decl with rtl.
+	(tree_code_size): Likewise.
+
 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* builtins.c (fold_builtin_1): Support complex "arc" functions.

gcc/tree.c

@@ -287,6 +287,8 @@ tree_node_structure_for_code (enum tree_code code)
 	    return TS_LABEL_DECL;
 	  case RESULT_DECL:
 	    return TS_RESULT_DECL;
+	  case DEBUG_EXPR_DECL:
+	    return TS_DECL_WRTL;
 	  case CONST_DECL:
 	    return TS_CONST_DECL;
 	  case TYPE_DECL:
@@ -670,6 +672,8 @@ tree_code_size (enum tree_code code)
 	    return sizeof (struct tree_type_decl);
 	  case FUNCTION_DECL:
 	    return sizeof (struct tree_function_decl);
+	  case DEBUG_EXPR_DECL:
+	    return sizeof (struct tree_decl_with_rtl);
 	  default:
 	    return sizeof (struct tree_decl_non_common);
 	  }