From: Jan Hubicka <hubicka@ucw.cz>
Date: Wed, 11 Jun 2014 08:15:34 +0000 (+0200)
Subject: ipa-visibility.c (function_and_variable_visibility): Disable virtual table rewriting... 
X-Git-Tag: releases/gcc-5.1.0~6971
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=862b3da6a46799de1c1f4a84ef949e52d69fa3ff;p=thirdparty%2Fgcc.git

ipa-visibility.c (function_and_variable_visibility): Disable virtual table rewriting temporarily on targets not supporting ONE_ONLY.


	* ipa-visibility.c (function_and_variable_visibility): Disable
	virtual table rewriting temporarily on targets not supporting
	ONE_ONLY.

From-SVN: r211437
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e61b75d886b8..89fcc091568e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-06-11  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-visibility.c (function_and_variable_visibility): Disable
+	virtual table rewriting temporarily on targets not supporting
+	ONE_ONLY.
+
 2014-06-11  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/61437
diff --git a/gcc/ipa-visibility.c b/gcc/ipa-visibility.c
index 2d6344162260..4e0fd9e0b405 100644
--- a/gcc/ipa-visibility.c
+++ b/gcc/ipa-visibility.c
@@ -666,9 +666,12 @@ function_and_variable_visibility (bool whole_program)
 	}
       update_visibility_by_resolution_info (vnode);
 
-      /* Update virutal tables to point to local aliases where possible.  */
+      /* Update virtual tables to point to local aliases where possible.  */
       if (DECL_VIRTUAL_P (vnode->decl)
-	  && !DECL_EXTERNAL (vnode->decl))
+	  && !DECL_EXTERNAL (vnode->decl)
+	  /* FIXME: currently this optimization breaks on AIX.  Disable it for targets
+	     without comdat support for now.  */
+	  && SUPPORTS_ONE_ONLY)
 	{
 	  int i;
 	  struct ipa_ref *ref;