re PR rtl-optimization/23241 (Invalid code generated for comparison of uchar to 255)

	PR rtl-optimization/23241
	* gcc.dg/char-compare.c: New test.

From-SVN: r102868

gcc/testsuite/ChangeLog

+2005-08-08  Josh Conner  <jconner@apple.com>
+
+	PR rtl-optimization/23241
+	* gcc.dg/char-compare.c: New test.
+
 2005-08-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/22508

gcc/testsuite/gcc.dg/char-compare.c

+/* PR rtl-optimization/23241 */
+/* Origin: Josh Conner <jconner@apple.com> */
+
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+extern void abort(void);
+
+struct fbs {
+  unsigned char uc;
+} fbs1 = {255};
+
+void fn(struct fbs *fbs_ptr)
+{
+  if ((fbs_ptr->uc != 255) && (fbs_ptr->uc != 0))
+    abort();
+}
+
+int main(void)
+{
+  fn(&fbs1); 
+  return 0;
+}