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-rw-r--r--src/main/javassist/compiler/ast/ASTree.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/javassist/compiler/ast/ASTree.java b/src/main/javassist/compiler/ast/ASTree.java
index 7fd05fd4..3d4dd842 100644
--- a/src/main/javassist/compiler/ast/ASTree.java
+++ b/src/main/javassist/compiler/ast/ASTree.java
@@ -46,7 +46,7 @@ public abstract class ASTree implements Serializable {
@Override
public String toString() {
- StringBuffer sbuf = new StringBuffer();
+ StringBuilder sbuf = new StringBuilder();
sbuf.append('<');
sbuf.append(getTag());
sbuf.append('>');