Do not ICE in IPA inliner.

2019-10-23  Martin Liska  <mliska@suse.cz>

	PR ipa/91969
	* ipa-inline.c (recursive_inlining): Do not print
	when curr->count is not initialized.
2019-10-23  Martin Liska  <mliska@suse.cz>

	PR ipa/91969
	* g++.dg/ipa/pr91969.C: New test.

From-SVN: r277309

gcc/ChangeLog

+2019-10-23  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/91969
+	* ipa-inline.c (recursive_inlining): Do not print
+	when curr->count is not initialized.
+
 2019-10-23  Richard Biener  <rguenther@suse.de>
 
 	* tree-vect-slp.c (vect_build_slp_tree_2): Do not build

gcc/ipa-inline.c

@@ -1610,7 +1610,7 @@ recursive_inlining (struct cgraph_edge *edge,
 	{
 	  fprintf (dump_file,
 		   "   Inlining call of depth %i", depth);
-	  if (node->count.nonzero_p ())
+	  if (node->count.nonzero_p () && curr->count.initialized_p ())
 	    {
 	      fprintf (dump_file, " called approx. %.2f times per call",
 		       (double)curr->count.to_gcov_type ()

gcc/testsuite/ChangeLog

+2019-10-23  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/91969
+	* g++.dg/ipa/pr91969.C: New test.
+
 2019-10-22  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR c++/85746

gcc/testsuite/g++.dg/ipa/pr91969.C

+/* PR ipa/91969 */
+/* { dg-options "-fdump-ipa-inline -O3" } */
+
+enum by
+{
+};
+class A
+{
+public:
+  class B
+  {
+  public:
+    virtual void m_fn2 (by) = 0;
+  };
+  virtual int m_fn1 ();
+  B *cf;
+};
+by a;
+class C : A, A::B
+{
+  void m_fn2 (by);
+};
+void C::m_fn2 (by) { cf->m_fn2 (a); }
+
+struct a
+{
+  virtual ~a ();
+};
+
+struct b
+{
+  virtual void d (...);
+};
+
+struct c : a, b
+{
+  void d (...) {}
+};