Move dmd files into compiler/

compiler/test/fail_compilation/nestedtempl1.d

@@ -0,0 +1,27 @@
+/*
+TEST_OUTPUT:
+---
+fail_compilation/nestedtempl1.d(14): Deprecation: function `nestedtempl1.main.bar!(a).bar` function requires a dual-context, which is deprecated
+fail_compilation/nestedtempl1.d(26):        instantiated from here: `bar!(a)`
+fail_compilation/nestedtempl1.d(26): Error: modify `inout` to `mutable` is not allowed inside `inout` function
+---
+*/
+
+auto foo(ref inout(int) x)
+{
+    struct S
+    {
+        ref inout(int) bar(alias a)() inout
+        {
+            return x;
+        }
+    }
+    return S();
+}
+
+void main()
+{
+    int a;
+    auto o = foo(a);
+    o.bar!a() = 1;      // bad!
+}