1 files changed, 22 insertions, 0 deletions
diff --git a/test/Feature/ubsan/ubsan_implicit_integer_sign_change.c b/test/Feature/ubsan/ubsan_implicit_integer_sign_change.c
new file mode 100644
index 00000000..d8e99e54
--- /dev/null
+++ b/test/Feature/ubsan/ubsan_implicit_integer_sign_change.c
@@ -0,0 +1,22 @@
+// REQUIRES: geq-llvm-8.0
+
+// RUN: %clang %s -fsanitize=implicit-integer-sign-change -emit-llvm -g %O0opt -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
+
+#include "klee/klee.h"
+
+signed int convert_unsigned_int_to_signed_int(unsigned int x) {
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: implicit-integer-sign-change
+  return x;
+}
+
+int main() {
+  unsigned int x;
+  volatile signed int result;
+
+  klee_make_symbolic(&x, sizeof(x), "x");
+
+  result = convert_unsigned_int_to_signed_int(x);
+  return 0;
+}
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