From c135f69c8b4d6f64ce22ade1fa9f76c614bb280e Mon Sep 17 00:00:00 2001
From: chibash <chiba@javassist.org>
Date: Mon, 2 Dec 2013 20:05:24 +0900
Subject: [PATCH] fixed JASSIST-211

---
 Readme.html                              |  2 +-
 src/main/javassist/compiler/CodeGen.java |  2 +-
 src/test/javassist/JvstTest4.java        | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Readme.html b/Readme.html
index 290d2097..4c5288be 100644
--- a/Readme.html
+++ b/Readme.html
@@ -283,7 +283,7 @@ see javassist.Dump.
 
 <p>-version 3.19
 <ul>
-<li>JIRA JASSIST-158, 205, 206, 207, 212, 216.
+<li>JIRA JASSIST-158, 205, 206, 207, 211, 212, 216.
 </ul>
 </p>
 
diff --git a/src/main/javassist/compiler/CodeGen.java b/src/main/javassist/compiler/CodeGen.java
index bf61a2b1..bbcce895 100644
--- a/src/main/javassist/compiler/CodeGen.java
+++ b/src/main/javassist/compiler/CodeGen.java
@@ -434,7 +434,7 @@ public abstract class CodeGen extends Visitor implements Opcode, TokenId {
         if (notDo)
             bytecode.write16bit(pc, pc3 - pc + 1);
 
-        boolean alwaysBranch = compileBooleanExpr(true, expr);
+        boolean alwaysBranch = compileBooleanExpr(true, expr) && breakList.size() == 0;
         bytecode.addIndex(pc2 - bytecode.currentPc() + 1);
 
         patchGoto(breakList, bytecode.currentPc());
diff --git a/src/test/javassist/JvstTest4.java b/src/test/javassist/JvstTest4.java
index df4533bb..f1aca09e 100644
--- a/src/test/javassist/JvstTest4.java
+++ b/src/test/javassist/JvstTest4.java
@@ -938,4 +938,22 @@ public class JvstTest4 extends JvstTestRoot {
         cc.writeFile();
         Object obj = make(cc.getName());
     }
+
+    public void testWhileTrueKO() throws Exception {
+        final ClassPool pool = ClassPool.getDefault();
+        final CtClass cc = pool.makeClass("test4.TestWhileTrueKO");
+        String source = "public void testWhile() { while(true) { break; } }";
+        cc.addMethod(CtMethod.make(source, cc));
+        cc.writeFile();
+        make(cc.getName());
+    }
+
+    public void testWhileTrueOK() throws Exception {
+        final ClassPool pool = ClassPool.getDefault();
+        final CtClass cc = pool.makeClass("test4.TestWhileTrueOK");
+        String source = "public void testWhile() { while(0==0) { break; }}";
+        cc.addMethod(CtMethod.make(source, cc));
+        cc.writeFile();
+        make(cc.getName());
+    }
 }
-- 
2.39.5