Ensure string is modifiable before append_as_bytes

headius · Dec 5, 2024 · b774c50 · b774c50
1 parent c572d09
commit b774c50
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/core/src/main/java/org/jruby/RubyString.java b/core/src/main/java/org/jruby/RubyString.java
@@ -5515,6 +5515,7 @@ private IRubyObject rpartitionMismatch(ThreadContext context) {
     @JRubyMethod(rest = true)
     public IRubyObject append_as_bytes(ThreadContext context, IRubyObject[] args) {
         checkFrozen();
+        modify();
 
         int length = args.length;
         for (int i = 0; i < length; i++) {