re PR middle-end/60419 (ICE Segmentation fault)

2014-03-21  Martin Jambor  <mjambor@suse.cz>

	PR ipa/60419
	* ipa.c (symtab_remove_unreachable_nodes): Clear thunk flag of nodes
	in the border.

testsuite/
	* g++.dg/ipa/pr60419.C: New test.

From-SVN: r208747

gcc/ChangeLog

+2014-03-21  Martin Jambor  <mjambor@suse.cz>
+
+	PR ipa/60419
+	* ipa.c (symtab_remove_unreachable_nodes): Clear thunk flag of nodes
+	in the border.
+
 2014-03-21  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/60577

gcc/ipa.c

@@ -488,6 +488,7 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file)
 	      node->definition = false;
 	      node->cpp_implicit_alias = false;
 	      node->alias = false;
+	      node->thunk.thunk_p = false;
 	      node->weakref = false;
 	      if (!node->in_other_partition)
 		node->local.local = false;

gcc/testsuite/ChangeLog

+2014-03-21  Martin Jambor  <mjambor@suse.cz>
+
+	PR ipa/60419
+	* g++.dg/ipa/pr60419.C: New test.
+
 2014-03-21  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/60577

gcc/testsuite/g++.dg/ipa/pr60419.C

+// PR middle-end/60419
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct C
+{
+};
+
+struct I : C
+{
+  I ();
+};
+
+struct J
+{
+  void foo ();
+  J ();
+  virtual void foo (int &, int);
+};
+
+template <class>
+struct D
+{
+  virtual void foo (I &) const;
+  void bar ()
+  {
+    I p;
+    foo (p);
+  }
+};
+
+struct K : J, public D<int>
+{
+};
+
+struct F
+{
+  K *operator->();
+};
+
+struct N : public K
+{
+  void foo (int &, int);
+  I n;
+  void foo (I &) const {}
+};
+
+struct L : J
+{
+  F l;
+};
+
+struct M : F
+{
+  L *operator->();
+};
+
+struct G
+{
+  G ();
+};
+
+M h;
+
+G::G ()
+try
+{
+  N f;
+  f.bar ();
+  throw;
+}
+catch (int)
+{
+}
+
+void
+baz ()
+{
+  h->l->bar ();
+}