Add a regression test for false positive with ((x == y) == z), fixed in

r1.31 of usr.bin/xlint/lint1/tree.c

1 files changed, 22 insertions, 0 deletions

diff --git a/regress/usr.bin/xlint/test-16.c b/regress/usr.bin/xlint/test-16.c
new file mode 100644
index 00000000000..3cedb209fb8
--- /dev/null
+++ b/regress/usr.bin/xlint/test-16.c
@@ -0,0 +1,22 @@
+ /*	$OpenBSD: test-16.c,v 1.1 2006/03/20 05:06:37 cloder Exp $	*/
+
+/*
+ * Placed in the public domain by Chad Loder <cloder@openbsd.org>.
+ *
+ * Test lint dealing with cascaded ==
+ */
+#include <sys/types.h>
+
+/* ARGSUSED */
+int
+main(int argc, char* argv[])
+{
+	mode_t mode;
+
+	mode = (mode_t)argc;
+
+	if ((((mode) & 0170000) == 0100000) == 0)
+		return 1;
+
+	return 0;
+}