Revert r246759.

From-SVN: r246785

gcc/ChangeLog

+2017-04-08  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2017-04-07  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/80212
+	* ipa-split.c (split_function): Add function part to a same comdat
+	group.
+
 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
 
 	PR target/80358

gcc/ipa-split.c

@@ -1363,9 +1363,6 @@ split_function (basic_block return_bb, struct split_point *split_point,
   /* Let's take a time profile for splitted function.  */
   node->tp_first_run = cur_node->tp_first_run + 1;
 
-  if (cur_node->same_comdat_group)
-    node->add_to_same_comdat_group (cur_node);
-
   /* For usual cloning it is enough to clear builtin only when signature
      changes.  For partial inlining we however can not expect the part
      of builtin implementation to have same semantic as the whole.  */

gcc/testsuite/ChangeLog

+2017-04-08  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2017-04-07  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/80212
+	* g++.dg/ipa/pr80212.C: New test.
+
 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.target/i386/avx512f-vgetmantps-2.c: Add -mfpmath=sse to

gcc/testsuite/g++.dg/ipa/pr80212.C

-// PR ipa/80212
-// { dg-options "-O2 --param partial-inlining-entry-probability=403796683 -fno-early-inlining" }
-
-struct b
-{
-  virtual b *c () const;
-};
-struct d : virtual b
-{
-};
-struct e : d
-{
-  e *
-  c () const
-  {
-  }
-};
-main () { e a; }