re PR ipa/83619 (ICE in inliner: caller edge count does not match BB count)

	PR ipa/83619
	* g++.dg/torture/pr83619.C: New testcase.
	* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge
	frequencies.

From-SVN: r256850

gcc/ChangeLog

+2018-01-18  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/83619
+	* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge
+	frequencies.
+
 2018-01-18  Boris Kolpackov  <boris@codesynthesis.com>
 
         PR other/70268

gcc/cgraph.c

@@ -1327,6 +1327,7 @@ cgraph_edge::redirect_call_stmt_to_callee (void)
 	  e->speculative = false;
 	  e->caller->set_call_stmt_including_clones (e->call_stmt, new_stmt,
 						     false);
+	  e->count = gimple_bb (e->call_stmt)->count;
 
 	  /* Fix edges for BUILT_IN_CHKP_BNDRET calls attached to the
 	     processed call stmt.  */
@@ -1346,6 +1347,7 @@ cgraph_edge::redirect_call_stmt_to_callee (void)
 	    }
 
 	  e2->speculative = false;
+	  e2->count = gimple_bb (e2->call_stmt)->count;
 	  ref->speculative = false;
 	  ref->stmt = NULL;
 	  /* Indirect edges are not both in the call site hash.

gcc/testsuite/ChangeLog

+2018-01-18  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/83619
+	* g++.dg/torture/pr83619.C: New testcase.
+
 2018-01-18  Christophe Lyon <christophe.lyon@linaro.org>
 
 	* lib/target-supports.exp (check_effective_target_arm_arch_FUNC_ok):

gcc/testsuite/g++.dg/torture/pr83619.C

+// { dg-do compile }
+int a;
+class d
+{
+public:
+  virtual unsigned c ();
+};
+class e;
+class i
+{
+  void h ();
+
+public:
+  void
+  operator= (e *f)
+  {
+    j<int>::c (f);
+    h ();
+  }
+  template <class> struct j
+  {
+    static void
+    c (e *g)
+    {
+      g->c ();
+    }
+  };
+};
+class k;
+class l
+{
+public:
+  l (int);
+  k *operator-> ();
+};
+class e : public d
+{
+};
+class m final : e
+{
+  unsigned c ();
+};
+class k
+{
+public:
+  virtual int o (e *) = 0;
+};
+class H : d, k
+{
+  int o (e *);
+  i n;
+};
+unsigned
+m::c ()
+{
+  l b = 0;
+  b->o (this);
+  return a;
+}
+int
+H::o (e *p)
+{
+  n = p;
+  return a;
+}
+
+