From: Jan Hubicka <jh@suse.cz>
Date: Fri, 30 Apr 2010 18:45:47 +0000 (+0200)
Subject: lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool.
X-Git-Tag: releases/gcc-4.6.0~7553
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cd71491e1cc5df228efbc518502cdc373c2d7585;p=thirdparty%2Fgcc.git

lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool.

	* lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool.
	(lto_symtab_merge_decls_1): Remove logic looking for an initializer.

From-SVN: r158944
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5a7de8f10f1c..e370a9f658c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-30  Jan Hubicka  <jh@suse.cz>
+
+	* lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool.
+	(lto_symtab_merge_decls_1): Remove logic looking for an initializer.
+
 2010-04-30  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): New.
diff --git a/gcc/lto-symtab.c b/gcc/lto-symtab.c
index a35d82fe3d42..b5430a5ab74f 100644
--- a/gcc/lto-symtab.c
+++ b/gcc/lto-symtab.c
@@ -406,11 +406,7 @@ lto_symtab_resolve_can_prevail_p (lto_symtab_entry_t e)
 
   /* A variable should have a size.  */
   else if (TREE_CODE (e->decl) == VAR_DECL)
-    return (DECL_SIZE (e->decl) != NULL_TREE
-	    /* The C++ frontend retains TREE_STATIC on the declaration
-	       of foo_ in struct Foo { static Foo *foo_; }; but it is
-	       not a definition.  g++.dg/lto/20090315_0.C.  */
-	    && !DECL_EXTERNAL (e->decl));
+    return (e->vnode && e->vnode->finalized);
 
   gcc_unreachable ();
 }
@@ -588,17 +584,6 @@ lto_symtab_merge_decls_1 (void **slot, void *data ATTRIBUTE_UNUSED)
 	while (!prevailing->vnode
 	       && prevailing->next)
 	  prevailing = prevailing->next;
-      /* We do not stream varpool nodes, so the first decl has to
-	 be good enough for now.
-	 ???  For QOI choose a variable with readonly initializer
-	 if there is one.  This matches C++
-	 struct Foo { static const int i = 1; }; without a real
-	 definition.  */
-      if (TREE_CODE (prevailing->decl) == VAR_DECL)
-	while (!(TREE_READONLY (prevailing->decl)
-		 && DECL_INITIAL (prevailing->decl))
-	       && prevailing->next)
-	  prevailing = prevailing->next;
     }
 
   /* Move it first in the list.  */