From 1b45f2600e276565fc59a092f9d38493d605da54 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 17 Jan 2018 12:04:11 +0100
Subject: [PATCH] re PR rtl-optimization/83771 (ICE: verify_flow_info failed
 (error: non-cold basic block 3 reachable only by paths crossing the cold
 partition))

	PR rtl-optimization/83771
	* gcc.dg/pr83771.c: New test.

From-SVN: r256781
---
 gcc/testsuite/ChangeLog        |  5 +++++
 gcc/testsuite/gcc.dg/pr83771.c | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/pr83771.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 448b44a9caa..9449d5e8f69 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/83771
+	* gcc.dg/pr83771.c: New test.
+
 2018-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR tree-optimization/81184
diff --git a/gcc/testsuite/gcc.dg/pr83771.c b/gcc/testsuite/gcc.dg/pr83771.c
new file mode 100644
index 00000000000..a5a386e20eb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr83771.c
@@ -0,0 +1,19 @@
+/* PR rtl-optimization/83771 */
+/* { dg-do compile } */
+/* { dg-options "-O3 -fmodulo-sched -fno-ssa-phiopt" } */
+
+long int a;
+int b;
+int foo (int);
+
+void
+bar (void)
+{
+  int c;
+  do
+    {
+      c = a / (!!b == 1);
+      c = !!c + 1;
+    }
+  while (foo (c) < 1);
+}
-- 
2.30.2