1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/20011107-1.c b/gcc/testsuite/gcc.dg/20011107-1.c
new file mode 100644
index 00000000000..0e969fd34a4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20011107-1.c
@@ -0,0 +1,45 @@
+/* { dg-do compile { target i?86-*-* } } */
+/* { dg-options "-O2 -mcpu=k6" } */
+
+void
+foo (unsigned char *x, const unsigned char *y)
+{
+  int a = 6;
+  unsigned char *b;
+  for (;;)
+    {
+      unsigned char *c = x;
+
+      while (1)
+	{
+	  if (c + 2 < y)
+	    c += 3;
+	  else
+	    break;
+	}
+      b = x + a;
+      if (*c == 4 || *c == 5)
+	{
+	  unsigned char d = c[2];
+
+	  if (b[3] == 7 || b[3] == 8)
+	    {
+	      int e = b[3] == 8;
+	      if (d < b[4] * 8 && b[5 + d / 8] & (1 << (d % 8)))
+		e = !e;
+	      if (!e)
+		x[-3] = 26;
+	    }
+	}
+      else if (*c == 7 && b[3] == 8)
+	{
+	  int f;
+	  for (f = 0; f < (int) c[1]; f++)
+	    if (!(c[2 + f] == 0))
+	      break;
+	  if (f == c[1])
+	    x[-3] = 26;
+	}
+      x -= 2;
+    }
+}