1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/warn-static-const-float.cpp b/clang/test/SemaCXX/warn-static-const-float.cpp
new file mode 100644
index 00000000000..a669c85903f
--- /dev/null
+++ b/clang/test/SemaCXX/warn-static-const-float.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -verify %s -std=c++98 -DEXT
+// RUN: %clang_cc1 -verify %s -std=c++98 -Wno-gnu -DNONE
+// RUN: %clang_cc1 -verify %s -std=c++98 -Wno-static-float-init -DNONE
+// RUN: %clang_cc1 -verify %s -std=c++98 -Wno-gnu-static-float-init -DNONE
+// RUN: %clang_cc1 -verify %s -std=c++11 -DERR
+// RUN: %clang_cc1 -verify %s -std=c++11 -Wno-gnu -DERR
+// RUN: %clang_cc1 -verify %s -std=c++11 -Wno-static-float-init -DNONE
+// RUN: %clang_cc1 -verify %s -std=c++11 -Wno-gnu-static-float-init -DERR
+
+#if NONE
+// expected-no-diagnostics
+#elif ERR
+// expected-error@19 {{in-class initializer for static data member of type 'const double' requires 'constexpr' specifier}}
+#elif EXT
+// expected-warning@19 {{in-class initializer for static data member of type 'const double' is a GNU extension}}
+#endif
+
+struct X {
+  static const double x = 0.0;
+};