1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr18501.c b/gcc/testsuite/gcc.dg/pr18501.c
new file mode 100644
index 000000000..8794486ee
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr18501.c
@@ -0,0 +1,20 @@
+/* Expected uninitialized variable warning.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O -Wuninitialized" } */
+
+unsigned bmp_iter_set ();
+int something (void);
+
+void
+bitmap_print_value_set (void)
+{
+  unsigned first;	/* { dg-warning "may be used" "conditional in loop" { xfail *-*-* } } */
+  
+  for (; bmp_iter_set (); )
+    {
+      if (!first)
+	something ();
+      first = 0;
+    }
+}