re PR target/82823 (ICE in ix86_expand_prologue, at config/i386/i386.c:13171…

re PR target/82823 (ICE in ix86_expand_prologue, at config/i386/i386.c:13171 with -fstack-clash-protection)

	PR target/82823
	* g++.dg/torture/pr82823.C: New test.

From-SVN: r254398

gcc/testsuite/ChangeLog

 2017-11-03  Jeff Law  <law@redhat.com>
 
+	PR target/82823
+	* g++.dg/torture/pr82823.C: New test.
+
 	* gcc.target/i386/stack-check-12.c: New test.
 
 2017-11-03  Jakub Jelinek  <jakub@redhat.com>

gcc/testsuite/g++.dg/torture/pr82823.C

+// { dg-do compile }
+// { dg-additional-options "-fstack-clash-protection" }
+// { dg-require-effective-target supports_stack_clash_protection }
+
+
+class a
+{
+public:
+  ~a ();
+  int b;
+};
+class c
+{
+public:
+  a m_fn1 ();
+};
+class d
+{
+  int e ();
+  c f;
+};
+int
+d::e ()
+{
+  return f.m_fn1 ().b;
+}