1 files changed, 17 insertions, 0 deletions
diff --git a/test/SemaCXX/ms-initlist-narrowing.cpp b/test/SemaCXX/ms-initlist-narrowing.cpp
new file mode 100644
index 000000000000..687a206d4974
--- /dev/null
+++ b/test/SemaCXX/ms-initlist-narrowing.cpp
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -fms-compatibility-version=19.0 -std=c++11
+
+int ai[] = { 1, 2.0 };  // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{silence}}
+
+template<typename T>
+struct Agg {
+  T t;
+};
+
+void f(int i) {
+  // Constant expression.
+  Agg<float> f8 = {1E50};  // expected-error {{constant expression evaluates to 1.000000e+50 which cannot be narrowed to type 'float'}} expected-note {{silence}}
+
+  // Non-constant expression.
+  double d = 1.0;
+  Agg<float> f2 = {d};  // expected-error {{non-constant-expression cannot be narrowed from type 'double' to 'float'}} expected-note {{silence}}
+}