Add test case for mktemp. Patch by Lei Zhang.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90706 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/security-syntax-checks.m b/test/Analysis/security-syntax-checks.m
index bcdc65e..2ce0684 100644
--- a/test/Analysis/security-syntax-checks.m
+++ b/test/Analysis/security-syntax-checks.m
@@ -96,3 +96,9 @@
   rand_r(&b);	// expected-warning{{Function 'rand_r' is obsolete because it implements a poor random number generator.  Use 'arc4random' instead}}
   random();	// expected-warning{{The 'random' function produces a sequence of values that an adversary may be able to predict.  Use 'arc4random' instead}}
 }
+
+char *mktemp(char *buf);
+
+void test_mktemp() {
+  char *x = mktemp("/tmp/zxcv"); // expected-warning{{Call to function 'mktemp' is insecure as it always creates or uses insecure temporary file}}
+}