From 8b2d991b0390c1bae18b0af416b841f360184e22 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <hubicka@ucw.cz>
Date: Thu, 18 Jan 2018 16:57:48 +0100
Subject: [PATCH] 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                          |  6 +++
 gcc/cgraph.c                           |  2 +
 gcc/testsuite/ChangeLog                |  5 +++
 gcc/testsuite/g++.dg/torture/pr83619.C | 67 ++++++++++++++++++++++++++++++++++
 4 files changed, 80 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/torture/pr83619.C

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 19116fb..fcbd840 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 802214d..9a7d54d 100644
--- a/gcc/cgraph.c
+++ b/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.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index faf1799..c45345f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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):
diff --git a/gcc/testsuite/g++.dg/torture/pr83619.C b/gcc/testsuite/g++.dg/torture/pr83619.C
new file mode 100644
index 0000000..a5ca537
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr83619.C
@@ -0,0 +1,67 @@
+// { 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;
+}
+
+
-- 
2.7.4