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-rw-r--r--src/main/javassist/expr/NewExpr.java5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/main/javassist/expr/NewExpr.java b/src/main/javassist/expr/NewExpr.java
index cda4b7c7..49c1ee49 100644
--- a/src/main/javassist/expr/NewExpr.java
+++ b/src/main/javassist/expr/NewExpr.java
@@ -140,8 +140,9 @@ public class NewExpr extends Expr {
private int canReplace() throws CannotCompileException {
int op = iterator.byteAt(newPos + 3);
- if (op == Opcode.DUP)
- return 4;
+ if (op == Opcode.DUP) // Typical single DUP or Javaflow DUP DUP2_X2 POP2
+ return ((iterator.byteAt(newPos + 4) == Opcode.DUP2_X2
+ && iterator.byteAt(newPos + 5) == Opcode.POP2)) ? 6 : 4;
else if (op == Opcode.DUP_X1
&& iterator.byteAt(newPos + 4) == Opcode.SWAP)
return 5;