# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1366728991 -7200
# Node ID 0ee7c7afdd20cc974d519f6fa895079621289d32
# Parent  0f4ae7bbe062804ce6f8118df7813d171443784c
fixed possible NPE in LIRFrameState.toString()

diff -r 0f4ae7bbe062 -r 0ee7c7afdd20 graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRFrameState.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRFrameState.java	Tue Apr 23 16:55:29 2013 +0200
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRFrameState.java	Tue Apr 23 16:56:31 2013 +0200
@@ -117,6 +117,6 @@
 
     @Override
     public String toString() {
-        return debugInfo != null ? debugInfo.toString() : topFrame.toString();
+        return debugInfo != null ? debugInfo.toString() : topFrame != null ? topFrame.toString() : "<empty>";
     }
 }