From ba4dc75f3ba3ac8639727f364faef2c3fdc40239 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 4 Jul 2014 08:38:45 +0000
Subject: [PATCH] 	PR middle-end/61654 	* cgraphunit.c (expand_thunk):
 Call free_dominance_info.

	* g++.dg/opt/pr61654.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212293 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog                      |  3 +++
 gcc/cgraphunit.c                   |  1 +
 gcc/testsuite/ChangeLog            |  3 +++
 gcc/testsuite/g++.dg/opt/pr61654.C | 27 +++++++++++++++++++++++++++
 4 files changed, 34 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/opt/pr61654.C

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4965219..f37d8f4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2014-07-04  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/61654
+	* cgraphunit.c (expand_thunk): Call free_dominance_info.
+
 	PR tree-optimization/61684
 	* tree-ssa-ifcombine.c (recognize_single_bit_test): Make sure
 	rhs1 of conversion is a SSA_NAME before using SSA_NAME_DEF_STMT on it.
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index f7980ed..b2bafe4 100644
--- a/gcc/cgraphunit.c
+++ b/gcc/cgraphunit.c
@@ -1693,6 +1693,7 @@ expand_thunk (struct cgraph_node *node, bool output_asm_thunks, bool force_gimpl
 #ifdef ENABLE_CHECKING
       verify_flow_info ();
 #endif
+      free_dominance_info (CDI_DOMINATORS);
 
       /* Since we want to emit the thunk, we explicitly mark its name as
 	 referenced.  */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5eee717..02e8b93 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2014-07-04  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/61654
+	* g++.dg/opt/pr61654.C: New test.
+
 	PR tree-optimization/61684
 	* gcc.c-torture/compile/pr61684.c: New test.
 
diff --git a/gcc/testsuite/g++.dg/opt/pr61654.C b/gcc/testsuite/g++.dg/opt/pr61654.C
new file mode 100644
index 0000000..78dc0c1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr61654.C
@@ -0,0 +1,27 @@
+// PR middle-end/61654
+// { dg-do compile }
+
+class A
+{
+  virtual int a (int, int = 0) = 0;
+  int b (const int &);
+  int c;
+};
+
+class B : virtual A
+{
+  int d;
+  int a (int, int);
+};
+
+int
+A::b (const int &)
+{
+  return a ('\0');
+}
+
+int
+B::a (int, int)
+{
+  return 0 ? 0 : d;
+}
-- 
2.7.4