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changeset 18675:72d0cd2eeca4

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handle null in HotSpotzreferenceMap.getFrameMap()|getRegisterMap()
author Doug Simon <doug.simon@oracle.com>
date Sun, 14 Dec 2014 13:43:02 +0100
parents ecb9d0cedbab
children 1c12cf39281d
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java	Sat Dec 13 15:03:20 2014 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReferenceMap.java	Sun Dec 14 13:43:02 2014 +0100
@@ -168,11 +168,11 @@
     }
 
     public BitSet getFrameMap() {
-        return (BitSet) frameRefMap.clone();
+        return frameRefMap == null ? null : (BitSet) frameRefMap.clone();
     }
 
     public BitSet getRegisterMap() {
-        return (BitSet) registerRefMap.clone();
+        return registerRefMap == null ? null : (BitSet) registerRefMap.clone();
     }
 
     // clear