[NFC] Move a diagnostic from DiagnosticsCommon.def to DiagnosticsSema.def

Author: AnthonyLatsis

include/swift/AST/DiagnosticsCommon.def

@@ -56,11 +56,6 @@ NOTE(while_parsing_as_left_angle_bracket,none,
 REMARK(remark_max_determinism_overriding,none,
          "SWIFTC_MAXIMUM_DETERMINISM overriding %0", (StringRef))
 
-// FIXME: This is used both as a parse error (a literal "super" outside a
-// method) and a type-checker error ("super" in a method of a non-class type).
-ERROR(super_not_in_class_method,none,
-      "'super' cannot be used outside of class members", ())
-
 ERROR(class_func_not_in_class,none,
       "class methods are only allowed within classes; "
       "use 'static' to declare a %select{static|requirement fulfilled by either a static or class}0 method", (bool))

include/swift/AST/DiagnosticsSema.def

@@ -4317,6 +4317,9 @@ ERROR(no_member_of_module,none,
 
 ERROR(super_with_no_base_class,none,
       "'super' members cannot be referenced in a root class", ())
+ERROR(super_not_in_class_method,none,
+      "'super' cannot be used outside of class members", ())
+
 ERROR(unqualified_init,none,
       "initializer expression requires explicit access"
       "%select{|; did you mean to prepend it with|; did you mean to prepend "