Name: gm110360 Date: 04/07/2004


FULL PRODUCT VERSION :
$ java -version
java version "1.5.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)
Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
SunOS xxx 5.8 Generic_108528-27 sun4u sparc SUNW,Ultra-5_10
SunOS xxx 5.8 Generic_108528-27 sun4u sparc SUNW,Ultra-4
Microsoft Windows 2000 [Version 5.00.2195]

A DESCRIPTION OF THE PROBLEM :
Compiling the following file fails with a compiler exception:

$ less CompilerError.java

final class Alphabet
{
    private final String name;

    public Alphabet(final String name)
    {
        this.name = name;
    }

    public final String getName()
    {
        return name;
    }
}

public class CompilerError
{
    public static void main(final String args[])
    {
        final Alphabet dna = new Alphabet("dna");

        enum Symbol
        {
            a(dna), t(dna), g(dna), c(dna);

            private final Alphabet alphabet;

            Symbol(final Alphabet alphabet)
            {
                this.alphabet = alphabet;
            }

            public final Alphabet getAlphabet()
            {
                return alphabet;
            }
        };

        for (Symbol s : Symbol.values())
        {
            System.out.println("Symbol " + s);
        }
    }
}

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
$ javac -source 1.5 -target 1.5 CompilerError.java

ACTUAL -
$ javac -source 1.5 -target 1.5 CompilerError.java
An exception has occurred in the compiler (1.5.0-beta). Please file a bug at the Java Developer Connection (http://java.sun.com/cgi-bin/bugreport.cgi) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.NullPointerException
        at com.sun.tools.javac.jvm.Code.emitop0(Code.java:471)
        at com.sun.tools.javac.jvm.Items$SelfItem.load(Items.java:347)
        at com.sun.tools.javac.jvm.Gen.visitIdent(Gen.java:2068)
        at com.sun.tools.javac.tree.Tree$Ident.accept(Tree.java:1006)
        at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:804)
        at com.sun.tools.javac.jvm.Gen.genArgs(Gen.java:822)
        at com.sun.tools.javac.jvm.Gen.visitNewClass(Gen.java:1692)
        at com.sun.tools.javac.tree.Tree$NewClass.accept(Tree.java:841)
        at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:804)
        at com.sun.tools.javac.jvm.Gen.visitAssign(Gen.java:1746)
        at com.sun.tools.javac.tree.Tree$Assign.accept(Tree.java:883)
        at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:804)
        at com.sun.tools.javac.jvm.Gen.visitExec(Gen.java:1599)
        at com.sun.tools.javac.tree.Tree$Exec.accept(Tree.java:734)
        at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:651)
        at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:686)
        at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:672)
        at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:723)
        at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:970)
        at com.sun.tools.javac.tree.Tree$Block.accept(Tree.java:540)
        at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:651)
        at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:686)
        at com.sun.tools.javac.jvm.Gen.genMethod(Gen.java:908)
        at com.sun.tools.javac.jvm.Gen.visitMethodDef(Gen.java:844)
        at com.sun.tools.javac.tree.Tree$MethodDef.accept(Tree.java:482)
        at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:651)
        at com.sun.tools.javac.jvm.Gen.genClass(Gen.java:2177)
        at com.sun.tools.javac.main.JavaCompiler.genCode(JavaCompiler.java:325)
        at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:467)
        at com.sun.tools.javac.main.Main.compile(Main.java:593)
        at com.sun.tools.javac.main.Main.compile(Main.java:545)
        at com.sun.tools.javac.Main.compile(Main.java:44)
        at com.sun.tools.javac.Main.main(Main.java:35)

REPRODUCIBILITY :
This bug can be reproduced always.

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see description
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(Incident Review ID: 246730)
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