1 files changed, 13 insertions, 0 deletions
diff --git a/test/Sema/enum-sign-conversion.c b/test/Sema/enum-sign-conversion.c
new file mode 100644
index 0000000000..518fc670d3
--- /dev/null
+++ b/test/Sema/enum-sign-conversion.c
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -fsyntax-only -verify -DUNSIGNED -Wsign-conversion %s
+// RUN: %clang_cc1 -triple=x86_64-pc-win32 -fsyntax-only -verify -Wsign-conversion %s
+
+// PR35200
+enum X { A,B,C};
+int f(enum X x) {
+#ifdef UNSIGNED
+  return x; // expected-warning {{implicit conversion changes signedness: 'enum X' to 'int'}}
+#else
+  // expected-no-diagnostics
+  return x;
+#endif
+}