[Truffle] Adding Integer.MIN_VALUE edge case to Fixnum#<<.

jruby · Apr 15, 2015 · caeedd4 · caeedd4
1 parent 30934c2
commit caeedd4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/FixnumNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/FixnumNodes.java
@@ -1219,6 +1219,8 @@ public Object leftShiftWithOverflow(int a, int b) {
         public int leftShiftNeg(int a, int b) {
             if (-b >= Integer.SIZE) {
                 return 0;
+            } else if (b == Integer.MIN_VALUE) {
+                return 0;
             } else {
                 return a >> -b;
             }