[fix #123] receiver object may be changed within NSArray#rindex block

cocoageek · Jul 5, 2012 · 98e30aa · 98e30aa
1 parent b9f969e
commit 98e30aa
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/NSArray.m b/NSArray.m
@@ -564,6 +564,11 @@
 	    if (RTEST(test)) {
 		return LONG2NUM(i);
 	    }
+	    const long n = [rcv count];
+	    if (n < i) {
+		// Array was modified.
+		i = n;
+	    }
 	}
     }
     else {