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  1. JDK
  2. JDK-4851398

generics: compiler crash when typevar bound is inner class

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P4
    • Resolution: Cannot Reproduce
    • Affects Version/s: 5.0
    • Fix Version/s: None
    • Component/s: tools
    • Subcomponent:
    • CPU:
      generic
    • OS:
      solaris_8

      Description

      ==========$ cat -n Inference.java
           1 public class Inference {
           2 class A {}
           3 interface B {}
           4 class Foo<T extends A & B>{}
           5 }
      ==========$ newjavac -source 1.5 Inference.java
      + /usr/java1.5/bin/javac -source 1.5 Inference.java
      An exception has occurred in the compiler (1.5.0-internal). 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.comp.Flow.visitIdent(Flow.java:1155)
              at com.sun.tools.javac.tree.Tree$Ident.accept(Tree.java:930)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.scanExpr(Flow.java:492)
              at com.sun.tools.javac.comp.Flow.visitApply(Flow.java:1057)
              at com.sun.tools.javac.tree.Tree$Apply.accept(Tree.java:742)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.tree.TreeScanner.visitExec(TreeScanner.java:171)
              at com.sun.tools.javac.tree.Tree$Exec.accept(Tree.java:660)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:476)
              at com.sun.tools.javac.comp.Flow.scanStats(Flow.java:484)
              at com.sun.tools.javac.comp.Flow.visitBlock(Flow.java:724)
              at com.sun.tools.javac.tree.Tree$Block.accept(Tree.java:482)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:476)
              at com.sun.tools.javac.comp.Flow.visitMethodDef(Flow.java:676)
              at com.sun.tools.javac.tree.Tree$MethodDef.accept(Tree.java:428)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.visitClassDef(Flow.java:616)
              at com.sun.tools.javac.tree.Tree$ClassDef.accept(Tree.java:394)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:476)
              at com.sun.tools.javac.comp.Flow.scanDef(Flow.java:462)
              at com.sun.tools.javac.comp.Flow.visitClassDef(Flow.java:608)
              at com.sun.tools.javac.tree.Tree$ClassDef.accept(Tree.java:394)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:31)
              at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:1184)
              at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:352)
              at com.sun.tools.javac.main.Main.compile(Main.java:494)
              at com.sun.tools.javac.Main.compile(Main.java:41)
              at com.sun.tools.javac.Main.main(Main.java:32)
      + exit 0
      ==========$

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              Assignee:
              duke J. Duke (Inactive)
              Reporter:
              gafter Neal Gafter
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                Created:
                Updated:
                Resolved:
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