(S32/Exceptions) Add X::Range::InvalidArg exception.

Author: pmichaud

S32-setting-library/Exception.pod

@@ -1045,6 +1045,17 @@ Thrown when an argument to C<Str.trans> is not a C<Pair>.
         }
     }
 
+=head2 X::Range::InvalidArg
+
+Thrown when an argument to C<Range.new> is a C<Range>.
+
+    my class X::Range::InvalidArg is Exception {
+        has $.got;
+        method message() {
+            "{$.got.^name} objects are not valid endpoints for Ranges";
+        }
+    }
+
 =head2 X::Sequence::Deduction
 
 Exception type when the C<...> sequence operator is being called without an