* gcc.dg/20020122-3.c: New test.

From-SVN: r49148

gcc/testsuite/ChangeLog

+2002-01-23  Janis Johnson  <janis187@us.ibm.com>
+
+	* gcc.dg/20020122-3.c: New.
+
 2002-01-23  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/other/gc1.C: New test.

gcc/testsuite/gcc.dg/20020122-3.c

+/* Check that the combination of -Os and -fprefetch-loop-arrays does not
+   cause the compiler to crash, which it originally did on i?86.
+   Warnings are turned off because not all targets support prefetch.  */
+
+/* { dg-do compile } */
+/* { dg-options "-Os -fprefetch-loop-arrays -w" } */
+/* { dg-options "-Os -fprefetch-loop-arrays -mcpu=pentium3 -w" { target i?86-*-* } } */
+
+int foo (int *p, int n)
+{
+  int i, r;
+  for (i = 0; i < n; i++)
+    r += p[i];
+  return r;
+}