backport: [multiple changes]

2009-07-28  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-07-30  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40570
	* gcc.c-torture/compile/pr40570.c: New test.

	2009-07-29  Richard Guenther  <rguenther@suse.de>

	PR c++/40834
	* g++.dg/torture/pr40834.C: New testcase.

From-SVN: r150487

gcc/testsuite/ChangeLog

@@ -1,3 +1,16 @@
+2009-07-28  H.J. Lu  <hongjiu.lu@intel.com>
+
+	Backport from mainline:
+	2009-07-30  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/40570
+	* gcc.c-torture/compile/pr40570.c: New test.
+
+	2009-07-29  Richard Guenther  <rguenther@suse.de>
+
+	PR c++/40834
+	* g++.dg/torture/pr40834.C: New testcase.
+
 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/40924

gcc/testsuite/g++.dg/torture/pr40834.C

@@ -0,0 +1,52 @@
+/* { dg-do run } */
+
+extern "C" void abort (void);
+class XalanDOMString
+{
+public:
+  int y;
+};
+
+class XObject
+{
+public:
+  const XalanDOMString& str() const { return x; }
+  XalanDOMString x;
+};
+
+class XObjectPtr
+{
+public:
+  XObjectPtr(const XObjectPtr& theSource)
+    {
+      m_xobjectPtr = theSource.m_xobjectPtr;
+    }
+  const XObject* operator->() const
+    {
+      return m_xobjectPtr;
+    };
+  XObjectPtr(XObject *p) { m_xobjectPtr = p; }
+  XObject* m_xobjectPtr;
+};
+
+class FunctionSubstringBefore
+{
+public:
+  int execute( const XObjectPtr arg1) const
+    {
+      const XalanDOMString& theFirstString = arg1->str();
+      return theFirstString.y;
+    }
+};
+
+int
+main ()
+{
+  XObject x; 
+  XObjectPtr y (&x);
+  x.x.y = -1;
+  FunctionSubstringBefore z;
+  if (z.execute (y) != -1)
+    abort ();
+  return 0;
+}

gcc/testsuite/gcc.c-torture/compile/pr40570.c

@@ -0,0 +1,22 @@
+extern void anything(int);
+
+static int foo(int i);
+
+static int bar(int i) { foo(i); }
+
+extern int j;
+
+static int foo(int i)
+{
+  if (j)
+    anything(j);
+  return bar(i);
+}
+
+int baz()
+{
+  foo(0);
+  if (baz())
+    return 1;
+  return 0;
+}