[Truffle] Improved character bounds check for String#[].

jruby · Apr 15, 2016 · 77a01b4 · 77a01b4
1 parent 1efb430
commit 77a01b4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/truffle/src/main/java/org/jruby/truffle/core/string/StringNodes.java b/truffle/src/main/java/org/jruby/truffle/core/string/StringNodes.java
@@ -433,7 +433,7 @@ public Object getIndex(VirtualFrame frame, DynamicObject string, int index, Obje
             final int stringLength = rope.characterLength();
             int normalizedIndex = StringOperations.normalizeIndex(stringLength, index);
 
-            if (normalizedIndex < 0 || normalizedIndex >= rope.byteLength()) {
+            if (normalizedIndex < 0 || normalizedIndex >= rope.characterLength()) {
                 outOfBounds.enter();
                 return nil();
             } else {