[Truffle] Missing some guards in the array builder.

jruby · Feb 27, 2015 · 5c499a7 · 5c499a7
1 parent 5166bff
commit 5c499a7
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayBuilderNode.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayBuilderNode.java
@@ -225,7 +225,7 @@ public Object append(Object store, int index, RubyArray array) {
         @Override
         public Object append(Object store, int index, Object value) {
             // TODO(CS): inject probability
-            if (value instanceof Integer) {
+            if (store instanceof int[] && value instanceof Integer) {
                 ((int[]) store)[index] = (int) value;
                 return store;
             } else {
@@ -297,7 +297,7 @@ public Object append(Object store, int index, RubyArray array) {
         @Override
         public Object append(Object store, int index, Object value) {
             // TODO(CS): inject probability
-            if (value instanceof Long) {
+            if (store instanceof long[] && value instanceof Long) {
                 ((long[]) store)[index] = (long) value;
                 return store;
             } else if (value instanceof Integer) {
@@ -362,7 +362,7 @@ public Object append(Object store, int index, RubyArray array) {
         @Override
         public Object append(Object store, int index, Object value) {
             // TODO(CS): inject probability
-            if (value instanceof Double) {
+            if (store instanceof double[] && value instanceof Double) {
                 ((double[]) store)[index] = (double) value;
                 return store;
             } else {