re PR tree-optimization/42890 (Crash in type_like_member_ptr_p in ipa-prop.c:382)

	PR tree-optimization/42890
	* g++.dg/torture/pr42890.C: New test.

From-SVN: r156604

gcc/testsuite/ChangeLog

+2010-02-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/42890
+	* g++.dg/torture/pr42890.C: New test.
+
 2010-02-08  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/42995

gcc/testsuite/g++.dg/torture/pr42890.C

+// PR tree-optimization/42890
+// { dg-do compile }
+
+extern "C" int puts (const char *) throw ();
+
+struct S
+{
+  const char *a;
+  const char **b;
+  S (const char *s) { a = s; b = &a; }
+  ~S () { puts (a); }
+};
+
+void
+foo (int (*fn) (const char *))
+{
+  S a ("foo");
+  fn ("bar");
+}
+
+int
+main ()
+{
+  foo (puts);
+}