re PR c++/58678 (pykde4-4.11.2 link error (devirtualization too trigger happy))

	PR c++/58678
	* ipa-devirt.c (ipa_devirt): Don't check DECL_COMDAT.

From-SVN: r215168

gcc/ChangeLog

+2014-09-11  Jason Merrill  <jason@redhat.com>
+
+	PR c++/58678
+	* ipa-devirt.c (ipa_devirt): Don't check DECL_COMDAT.
+
 2014-09-11  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/63223

gcc/ipa-devirt.c

@@ -3952,8 +3952,7 @@ ipa_devirt (void)
 	    /* Don't use an implicitly-declared destructor (c++/58678).  */
 	    struct cgraph_node *non_thunk_target
 	      = likely_target->function_symbol ();
-	    if (DECL_ARTIFICIAL (non_thunk_target->decl)
-		&& DECL_COMDAT (non_thunk_target->decl))
+	    if (DECL_ARTIFICIAL (non_thunk_target->decl))
 	      {
 		if (dump_file)
 		  fprintf (dump_file, "Target is artificial\n\n");

gcc/testsuite/g++.dg/ipa/devirt-28a.C

+// PR c++/58678
+// { dg-options "-O3 -flto -shared -fPIC -Wl,--no-undefined" }
+// { dg-do link { target { gld && fpic } } }
+
+struct A {
+  virtual ~A();
+};
+struct B : A {
+  virtual int m_fn1();
+};
+void fn1(B* b) {
+  delete b;
+}
+
+int main() {}