[Truffle] Fixing Fixnum#-@ overflow specialization.

jruby · Apr 9, 2015 · 1bc0d90 · 1bc0d90
1 parent af2e4db
commit 1bc0d90
Showing 1 changed file with 6 additions and 3 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
@@ -61,9 +61,12 @@ public int neg(int value) {
             return ExactMath.subtractExact(0, value);
         }
 
-        @Specialization
-        public long negWithOverflow(int value) {
-            return -(long) (value);
+        @Specialization(contains = "neg")
+        public Object negWithOverflow(int value) {
+            if (value == Integer.MIN_VALUE) {
+                return -((long) value);
+            }
+            return -value;
         }
 
         @Specialization(rewriteOn = ArithmeticException.class)