re PR ipa/66223 (Diagnostic of pure virtual function call broken, including __cxa_pure_virtual)

	PR ipa/66223
	* ipa-devirt.c (maybe_record_node): Fix comment; use
	SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.

	* g++.dg/ipa/devirt-51.C: Use -fsanitize=unreachable.

From-SVN: r234762

gcc/ChangeLog

+2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/66223
+	* ipa-devirt.c (maybe_record_node): Fix comment; use
+	SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
+
 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/70542

gcc/ipa-devirt.c

@@ -2438,9 +2438,9 @@ maybe_record_node (vec <cgraph_node *> &nodes,
     {
       gcc_assert (!target_node->global.inlined_to);
       gcc_assert (target_node->real_symbol_p ());
-      /* When sanitizing, do not asume that cxa_pure_virutal is not called
+      /* When sanitizing, do not assume that __cxa_pure_virtual is not called
 	 by valid program.  */
-      if (flag_sanitize & SANITIZE_UNDEFINED)
+      if (flag_sanitize & SANITIZE_UNREACHABLE)
 	;
       /* Only add pure virtual if it is the only possible target.  This way
 	 we will preserve the diagnostics about pure virtual called in many

gcc/testsuite/ChangeLog

+2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/66223
+	* g++.dg/ipa/devirt-51.C: Use -fsanitize=unreachable.
+
 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/70542

gcc/testsuite/g++.dg/ipa/devirt-51.C

@@ -2,7 +2,7 @@
    variant.  Either keeping virtual call or optimizing to cxa_pure_virtual
    is fine.  */
 /* { dg-do compile } */
-/* { dg-options "-O2 -fsanitize=undefined -fdump-tree-optimized"  } */
+/* { dg-options "-O2 -fsanitize=unreachable -fdump-tree-optimized"  } */
 namespace {
   struct B {
         B* self;