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  1. JDK
  2. JDK-4336282

class extending an array type crashes javac

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    Details

    • Subcomponent:
    • Resolved In Build:
      merlin
    • CPU:
      x86, sparc
    • OS:
      solaris_7, windows_nt, windows_2000
    • Verification:
      Verified

      Description



      Name: poR10007 Date: 05/05/2000



      Javac fails to compile a class declaration that has an array
      type in the extends clause.
      Javac (JDK1.3.0A - JDK1.3.0fcsC) throws NullPointerException
      compiling the following test (oldjavac reports an expected
      error message):

      -Test.java-----------------------------------------------

      public class Test extends Object[] {
      }

      -Compilation log-----------------------------------------

      $ java -version
      java version "1.3.0"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0-C)
      Java HotSpot(TM) Client VM (build 1.3.0-C, interpreted mode)
      $ javac -d . Test.java
      An exception has occurred in the compiler (1.3.0). Please file a bug at the Java Developer Connection
      (http://java.sun.com/cgi-bin/bugreport.cgi). Include your program and the following diagnostic in your
      report. Thank you.
      java.lang.NullPointerException
              at com.sun.tools.javac.v8.comp.Flow._case(Flow.java:746)
              at com.sun.tools.javac.v8.tree.Tree$Apply.visit(Tree.java:785)
              at com.sun.tools.javac.v8.comp.Flow.analyze(Flow.java:321)
              at com.sun.tools.javac.v8.comp.Flow.analyzeExpr(Flow.java:339)
              at com.sun.tools.javac.v8.comp.Flow._case(Flow.java:719)
              at com.sun.tools.javac.v8.tree.Tree$Exec.visit(Tree.java:699)
              at com.sun.tools.javac.v8.comp.Flow.analyze(Flow.java:321)
              at com.sun.tools.javac.v8.comp.Flow.analyzeStat(Flow.java:394)
              at com.sun.tools.javac.v8.comp.Flow.analyzeStats(Flow.java:413)
              at com.sun.tools.javac.v8.comp.Flow._case(Flow.java:520)
              at com.sun.tools.javac.v8.tree.Tree$Block.visit(Tree.java:492)
              at com.sun.tools.javac.v8.comp.Flow.analyze(Flow.java:321)
              at com.sun.tools.javac.v8.comp.Flow.analyzeStat(Flow.java:394)
              at com.sun.tools.javac.v8.comp.Flow._case(Flow.java:488)
              at com.sun.tools.javac.v8.tree.Tree$MethodDef.visit(Tree.java:441)
              at com.sun.tools.javac.v8.comp.Flow.analyze(Flow.java:321)
              at com.sun.tools.javac.v8.comp.Flow.analyzeDef(Flow.java:379)
              at com.sun.tools.javac.v8.comp.Flow._case(Flow.java:456)
              at com.sun.tools.javac.v8.tree.Tree$ClassDef.visit(Tree.java:402)
              at com.sun.tools.javac.v8.comp.Flow.analyze(Flow.java:321)
              at com.sun.tools.javac.v8.comp.Flow.analyzeDef(Flow.java:379)
              at com.sun.tools.javac.v8.JavaCompiler.compile(JavaCompiler.java:380)
              at com.sun.tools.javac.v8.Main.compile(Main.java:247)
              at com.sun.tools.javac.Main.main(Main.java:16)
      $ oldjavac -d . Test.java
      Test.java:1: '{' expected.
      public class Test extends Object[] {
                                      ^
      1 error
      $

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              Assignee:
              wmaddoxsunw William Maddox (Inactive)
              Reporter:
              passunw Pas Pas (Inactive)
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