From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 30 May 2010 12:27:18 +0000 (+0000)
Subject: 	* dwarf2out.c (reference_to_unused,
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ade5ad23860404de680a9c15edf799fbb575813;p=thirdparty%2Fgcc.git

	* dwarf2out.c (reference_to_unused,
	premark_types_used_by_global_vars_helper): Avoid creating of new
	varool nodes.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160052 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b31797b19b1d..12fe9f980c89 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-30  Jan Hubicka  <jh@suse.cz>
+
+	* dwarf2out.c (reference_to_unused,
+	premark_types_used_by_global_vars_helper): Avoid creating of new
+	varool nodes.
+
 2010-05-30  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.h (cgraph_node_cannot_return,
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index eec92d342e6e..48f5fa4c2085 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -15938,8 +15938,8 @@ reference_to_unused (tree * tp, int * walk_subtrees,
     return *tp;
   else if (TREE_CODE (*tp) == VAR_DECL)
     {
-      struct varpool_node *node = varpool_node (*tp);
-      if (!node->needed)
+      struct varpool_node *node = varpool_get_node (*tp);
+      if (!node || !node->needed)
 	return *tp;
     }
   else if (TREE_CODE (*tp) == FUNCTION_DECL
@@ -18213,8 +18213,8 @@ premark_types_used_by_global_vars_helper (void **slot,
     {
       /* Ask cgraph if the global variable really is to be emitted.
          If yes, then we'll keep the DIE of ENTRY->TYPE.  */
-      struct varpool_node *node = varpool_node (entry->var_decl);
-      if (node->needed)
+      struct varpool_node *node = varpool_get_node (entry->var_decl);
+      if (node && node->needed)
 	{
 	  die->die_perennial_p = 1;
 	  /* Keep the parent DIEs as well.  */