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-rw-r--r--test/asan/TestCases/strspn-2.c19
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diff --git a/test/asan/TestCases/strspn-2.c b/test/asan/TestCases/strspn-2.c
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+// Test stopset overflow in strspn function
+// RUN: %clang_asan %s -o %t && env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t 2>&1 | FileCheck %s
+
+// Test intercept_strspn asan option
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:intercept_strspn=false %run %t 2>&1
+
+#include <assert.h>
+#include <string.h>
+
+int main(int argc, char **argv) {
+ size_t r;
+ char s1[] = "bbc";
+ char s2[] = {'a', 'b'};
+ char s3 = 0;
+ r = strspn(s1, s2);
+ // CHECK:'s{{[2|3]}}' <== Memory access at offset {{[0-9]+ .*}}flows this variable
+ assert(r >= 2);
+ return 0;
+}