Small tidy up.

Author: aardvark179

CHANGELOG.md

@@ -11,7 +11,7 @@ Compatibility:
 
 * Fix `Array#fill` to raise `TypeError` instead of `ArgumentError` when the length argument is not numeric (#2652, @andrykonchin).
 * Warn when a global variable is not initialized (#2595, @andrykonchin).
-* Range literals are now created at parse time like CRuby (#2622, @aardvark179).
+* Range literals are now created at parse time like in CRuby (#2622, @aardvark179).
 
 Performance:
 

src/main/java/org/truffleruby/core/range/RangeNodes.java

@@ -84,7 +84,7 @@ protected RubyArray map(RubyIntRange range, RubyProc block,
             return createArray(arrayBuilder.finish(state, length), length);
         }
 
-        @Specialization(guards = "!isIntRange(range)")
+        @Specialization
         protected Object mapFallback(RubyObjectRange range, Object block) {
             return FAILURE;
         }