tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.

2010-07-09  Tom de Vries  <tjvries@xs4all.nl>

	* tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.

	* gcc.dg/debug/dwarf2/pr31230.c: New testcase.

From-SVN: r161998

gcc/ChangeLog

+2010-07-09  Tom de Vries  <tjvries@xs4all.nl>
+
+	* tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.
+
 2010-07-09  Hariharan Sandanagobalane <hariharan@picochip.com>
 
 	* config/picochip/picochip.md (commsTestPort): Emit more

gcc/testsuite/ChangeLog

+2010-07-09  Tom de Vries  <tjvries@xs4all.nl>
+
+	* gcc.dg/debug/dwarf2/pr31230.c: New testcase.
+
 2010-07-09  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/44852

gcc/testsuite/gcc.dg/debug/dwarf2/pr31230.c

+/* { dg-do compile } */
+/* { dg-options "-gdwarf-2 -dA --param ggc-min-expand=0 --param ggc-min-heapsize=0" } */
+/* { dg-final { scan-assembler-times "DIE.*DW_TAG_array_type" 1  } } */
+/* { dg-final { scan-assembler-times "DIE.*DW_TAG_subrange_type" 1  } } */
+
+void f1 (void)
+{
+  char buffer1[100];
+}
+
+int f2 (void)
+{
+  return 0;
+}
+
+void f3 (void)
+{
+  char buffer2[100];
+}

gcc/tree.c

@@ -6072,16 +6072,14 @@ type_hash_canon (unsigned int hashcode, tree type)
 
 /* See if the data pointed to by the type hash table is marked.  We consider
    it marked if the type is marked or if a debug type number or symbol
-   table entry has been made for the type.  This reduces the amount of
-   debugging output and eliminates that dependency of the debug output on
-   the number of garbage collections.  */
+   table entry has been made for the type.  */
 
 static int
 type_hash_marked_p (const void *p)
 {
   const_tree const type = ((const struct type_hash *) p)->type;
 
-  return ggc_marked_p (type) || TYPE_SYMTAB_POINTER (type);
+  return ggc_marked_p (type);
 }
 
 static void