From 0f499bed3d98090096acdd940e7bfb75a1efeee5 Mon Sep 17 00:00:00 2001
From: stepan <stepan.sindelar@oracle.com>
Date: Mon, 10 Jul 2017 14:22:45 +0200
Subject: [PATCH] Fix bad cast in GetDimNamesAttributeNode#getDimNames
---
.../truffle/r/nodes/attributes/SpecialAttributesFunctions.java | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/attributes/SpecialAttributesFunctions.java b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/attributes/SpecialAttributesFunctions.java
index 53b01a29ef..77cb4bb1ea 100644
--- a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/attributes/SpecialAttributesFunctions.java
+++ b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/attributes/SpecialAttributesFunctions.java
@@ -838,7 +838,8 @@ public final class SpecialAttributesFunctions {
}
public final RList getDimNames(Object x) {
- return (RList) execute(x);
+ Object result = execute(x);
+ return result == RNull.instance ? null : (RList) result;
}
@Specialization(insertBefore = "getAttrFromAttributable")
--
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