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-rw-r--r--chapter11/src/main/java/com/seaofnodes/simple/Parser.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/chapter11/src/main/java/com/seaofnodes/simple/Parser.java b/chapter11/src/main/java/com/seaofnodes/simple/Parser.java
index 3b5f2721..df8d0b1c 100644
--- a/chapter11/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter11/src/main/java/com/seaofnodes/simple/Parser.java
@@ -611,7 +611,7 @@ public class Parser {
Node prior = mem().keep();
Node st = new StoreNode(name,alias,prior,ptr,val).peephole();
mem(new MemMergeNode(prior,alias,st).peephole());
- prior.unkeep();
+ if( prior.unkeep().isUnused() ) prior.kill();
}
/**