1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/compilable/dtoh_CPPNamespaceDeclaration.d b/gcc/testsuite/gdc.test/compilable/dtoh_CPPNamespaceDeclaration.d
new file mode 100644
index 00000000000..6995a675256
--- /dev/null
+++ b/gcc/testsuite/gdc.test/compilable/dtoh_CPPNamespaceDeclaration.d
@@ -0,0 +1,67 @@
+/*
+REQUIRED_ARGS: -HC -c -o-
+PERMUTE_ARGS:
+TEST_OUTPUT:
+---
+// Automatically generated by Digital Mars D Compiler
+
+#pragma once
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <math.h>
+
+#ifdef CUSTOM_D_ARRAY_TYPE
+#define _d_dynamicArray CUSTOM_D_ARRAY_TYPE
+#else
+/// Represents a D [] array
+template<typename T>
+struct _d_dynamicArray final
+{
+    size_t length;
+    T *ptr;
+
+    _d_dynamicArray() : length(0), ptr(NULL) { }
+
+    _d_dynamicArray(size_t length_in, T *ptr_in)
+        : length(length_in), ptr(ptr_in) { }
+
+    T& operator[](const size_t idx) {
+        assert(idx < length);
+        return ptr[idx];
+    }
+
+    const T& operator[](const size_t idx) const {
+        assert(idx < length);
+        return ptr[idx];
+    }
+};
+#endif
+
+namespace nameSpace
+{
+    extern void fn();
+
+    namespace nameSpace2
+    {
+        extern void fn2();
+
+    }
+    extern double identity(double _param_0);
+
+}
+---
+*/
+
+extern(C++, "nameSpace")
+{
+    void fn() {}
+
+    extern(C++, nameSpace2)
+    {
+        void fn2() {}
+    }
+
+    double identity(double) { return _param_0; }
+}