From 8d48126dc7fc47684bf655d298951766a456c7ec Mon Sep 17 00:00:00 2001
From: David Edelsohn <dje.gcc@gmail.com>
Date: Fri, 4 Nov 2016 23:20:50 +0000
Subject: [PATCH] re PR ipa/78188 (AIX Bootstrap broken by tree-vrp.c change)

PR bootstrap/78188
PR c++/71848
* ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.

From-SVN: r241863
---
 gcc/ChangeLog     | 6 ++++++
 gcc/ipa-comdats.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7e4a50df854..1992d34a74f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-11-05  David Edelsohn  <dje.gcc@gmail.com>
+
+	PR bootstrap/78188
+	PR c++/71848
+	* ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.
+
 2016-11-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/77834
diff --git a/gcc/ipa-comdats.c b/gcc/ipa-comdats.c
index 6e0f7622366..321bc0fc788 100644
--- a/gcc/ipa-comdats.c
+++ b/gcc/ipa-comdats.c
@@ -416,7 +416,7 @@ public:
 bool
 pass_ipa_comdats::gate (function *)
 {
-  return optimize;
+  return HAVE_COMDAT_GROUP && optimize;
 }
 
 } // anon namespace