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  1. JDK
  2. JDK-8006703

Ensure that TYPE_USE and FIELD work together.

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      If a repeatable annotation has TYPE_USE and FIELD as @Targets and it's put on a field, javac crashes with this assertion,

      "java.lang.AssertionError: Can't annotate already annotated type: (@A :: java.lang.Integer); adding: @A"

      sample and output below.

      -steve

      8<- - - Test.java - - - - - - - - - - - - - -
      import java.lang.annotation.*;
      import static java.lang.annotation.RetentionPolicy.*;
      import static java.lang.annotation.ElementType.*;

      // (repeating) type annotations at class level.
      class Test {
      Test(){}
      @A Integer i1 = 0; // crash FIELD
      // type usage in method body
      @B @B String test() { return null;} // ok on METHOD
      }

      @Retention(CLASS)
      @Target({TYPE_USE,FIELD})
      @Repeatable( AC.class )
      @interface A { }

      @Retention(CLASS)
      @Target({TYPE_USE,FIELD})
      @interface AC { A[] value(); }

      @Retention(CLASS)
      @Target({TYPE_USE,METHOD})
      @Repeatable( BC.class )
      @interface B { }

      @Retention(CLASS)
      @Target({TYPE_USE,METHOD})
      @interface BC { B[] value(); }

      8<- - - compiler output - - - - - - - - - - - - - -

      An exception has occurred in the compiler (1.8.0-ea). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
      java.lang.AssertionError: Can't annotate already annotated type: (@A :: java.lang.Integer); adding: @A
              at com.sun.tools.javac.util.Assert.error(Assert.java:133)
              at com.sun.tools.javac.util.Assert.check(Assert.java:94)
              at com.sun.tools.javac.code.Type$AnnotatedType.<init>(Type.java:1505)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions$1.visitAnnotatedType(TypeAnnotations.java:410)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions$1.visitAnnotatedType(TypeAnnotations.java:389)
              at com.sun.tools.javac.code.Type$AnnotatedType.accept(Type.java:1527)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.typeWithAnnotations(TypeAnnotations.java:470)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.typeWithAnnotations(TypeAnnotations.java:353)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.separateAnnotationsKinds(TypeAnnotations.java:189)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.visitVarDef(TypeAnnotations.java:917)
              at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:792)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.scan(TypeAnnotations.java:135)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:57)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.visitClassDef(TypeAnnotations.java:842)
              at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:650)
              at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
              at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.scan(TypeAnnotations.java:135)
              at com.sun.tools.javac.code.TypeAnnotations.organizeTypeAnnotationsBodies(TypeAnnotations.java:102)
              at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4039)
              at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:3918)
              at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:3852)
              at com.sun.tools.javac.comp.Attr.attrib(Attr.java:3826)
              at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1254)
              at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:907)
              at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:866)
              at com.sun.tools.javac.main.Main.compile(Main.java:506)
              at com.sun.tools.javac.main.Main.compile(Main.java:365)
              at com.sun.tools.javac.main.Main.compile(Main.java:354)
              at com.sun.tools.javac.main.Main.compile(Main.java:345)
              at com.sun.tools.javac.Main.compile(Main.java:76)
              at com.sun.tools.javac.Main.main(Main.java:61)

            ssides Steve Sides
            ssides Steve Sides
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              Created:
              Updated:
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