1 files changed, 26 insertions, 0 deletions
diff --git a/test/Analysis/enum.cpp b/test/Analysis/enum.cpp
new file mode 100644
index 0000000..571fa7b
--- /dev/null
+++ b/test/Analysis/enum.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -analyze -std=c++11 -analyzer-checker=debug.ExprInspection %s
+
+void clang_analyzer_eval(bool);
+
+enum class Foo {
+  Zero
+};
+
+bool pr15703(int x) {
+  return Foo::Zero == (Foo)x; // don't crash
+}
+
+void testCasting(int i) {
+  Foo f = static_cast<Foo>(i);
+  int j = static_cast<int>(f);
+  if (i == 0)
+  {
+    clang_analyzer_eval(f == Foo::Zero); // expected-warning{{TRUE}}
+    clang_analyzer_eval(j == 0); // expected-warning{{TRUE}}
+  }
+  else
+  {
+    clang_analyzer_eval(f == Foo::Zero); // expected-warning{{FALSE}}
+    clang_analyzer_eval(j == 0); // expected-warning{{FALSE}}
+  }
+}