Name: gm110360 Date: 02/11/2004


FULL PRODUCT 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 :
Windows XP PRo Build 2600.xpsp2.030422-1633(Sevice Pack 1)

A DESCRIPTION OF THE PROBLEM :
The compiler threw an exception when compiling a trial program.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile the code in the example.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The code would compile or maybe not!
ACTUAL -
Error message as below

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Command : "D:\j2sdk1.5.0\bin\javac.exe" -deprecation -source 1.5 "E:\Beg Java 1.5\Examples\Test\TryItOut.java" -Xlint:unchecked
Directory : "E:\Beg Java 1.5\Examples\Test"
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.ArrayIndexOutOfBoundsException: -1
at com.sun.tools.javac.jvm.Code$State.pop(Code.java:1509)
at com.sun.tools.javac.jvm.Code.emitop0(Code.java:587)
at com.sun.tools.javac.jvm.Items$Item.coerce(Items.java:236)
at com.sun.tools.javac.jvm.Items$Item.coerce(Items.java:249)
at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:806)
at com.sun.tools.javac.jvm.Gen.completeBinop(Gen.java:1996)
at com.sun.tools.javac.jvm.Gen.visitAssignop(Gen.java:1795)
at com.sun.tools.javac.tree.Tree$Assignop.accept(Tree.java:899)
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.genStat(Gen.java:672)
at com.sun.tools.javac.jvm.Gen.visitIf(Gen.java:1583)
at com.sun.tools.javac.tree.Tree$If.accept(Tree.java:721)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:651)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:686)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:672)
at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:723)
at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:970)
at com.sun.tools.javac.tree.Tree$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.genStat(Gen.java:672)
at com.sun.tools.javac.jvm.Gen.genLoop(Gen.java:1016)
at com.sun.tools.javac.jvm.Gen.visitForLoop(Gen.java:987)
at com.sun.tools.javac.tree.Tree$ForLoop.accept(Tree.java:586)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:651)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:686)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:672)
at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:723)
at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:970)
at com.sun.tools.javac.tree.Tree$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.

---------- BEGIN SOURCE ----------
public class TryItOut {
  public static void main(String[] args) {
    double ave = average(2,3, 4.5, 6, 7.8, 99, 56.3);
    System.out.println("Average is "+ave);
  }

  static double average(Object ... args) {
    double sum = 0.0;
    for(int i = 0 ; i<args.length ; i++) {
      if(args[i] instanceof Double) {
        sum += (Double)args[i];
      }
      if(args[i] instanceof Integer) {
        sum += (Integer)args[i];
      }
      if(args[i] instanceof Float) {
        sum += (Float)args[i];
      }
    }
    return sum/args.length;
  }
}

---------- END SOURCE ----------
(Incident Review ID: 238376)
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