Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

AnnotatedTypeMirrors aren't structurally equal #4829

Closed
cushon opened this issue Jul 23, 2021 · 0 comments · Fixed by #4841
Closed

AnnotatedTypeMirrors aren't structurally equal #4829

cushon opened this issue Jul 23, 2021 · 0 comments · Fixed by #4841
Assignees
Labels

Comments

@cushon
Copy link
Contributor

cushon commented Jul 23, 2021

I'm seeing this crash with with 3.16.0

import java.util.concurrent.Future;
import org.checkerframework.checker.nullness.qual.Nullable;

public class T {

  interface ListenableFuture<V extends @Nullable Object> extends Future<V> {}

  enum E {}

  ListenableFuture<Object> f(E e) {
    return g(e);
  }

  ListenableFuture<? super Object> g(E e) {
    throw new AssertionError();
  }
}
error: AnnotatedTypeMirrors aren't structurally equal.
    type1 = AnnotatedWildcardType( ? extends Object super Object )
    type2 = AnnotatedDeclaredType( Object )
    visitHistory = org.checkerframework.framework.type.StructuralEqualityVisitHistory@115924ba
  ; The Checker Framework crashed.  Please report the crash.
  Compilation unit: T.java
  Last visited tree at line 11 column 5:
      return g(e);
  Exception: java.lang.Throwable; java.lang.Throwable
        at org.checkerframework.javacutil.BugInCF.<init>(BugInCF.java:20)
        at org.checkerframework.framework.type.visitor.AbstractAtmComboVisitor.defaultAction(AbstractAtmComboVisitor.java:52)
        at org.checkerframework.framework.type.StructuralEqualityComparer.defaultAction(StructuralEqualityComparer.java:56)
        at org.checkerframework.framework.type.StructuralEqualityComparer.defaultAction(StructuralEqualityComparer.java:29)
        at org.checkerframework.framework.type.visitor.AbstractAtmComboVisitor.visitWildcard_Declared(AbstractAtmComboVisitor.java:603)
        at org.checkerframework.framework.util.AtmCombo.accept(AtmCombo.java:627)
        at org.checkerframework.framework.type.StructuralEqualityComparer.areEqual(StructuralEqualityComparer.java:93)
        at org.checkerframework.framework.type.StructuralEqualityComparer.areEqualInHierarchy(StructuralEqualityComparer.java:105)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.areEqualInHierarchy(DefaultTypeHierarchy.java:228)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.isContainedBy(DefaultTypeHierarchy.java:303)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.isContainedMany(DefaultTypeHierarchy.java:529)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.visitTypeArgs(DefaultTypeHierarchy.java:499)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.visitDeclared_Declared(DefaultTypeHierarchy.java:445)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.visitDeclared_Declared(DefaultTypeHierarchy.java:45)
        at org.checkerframework.framework.util.AtmCombo.accept(AtmCombo.java:311)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.isSubtype(DefaultTypeHierarchy.java:147)
        at org.checkerframework.checker.nullness.KeyForAnnotatedTypeFactory$KeyForTypeHierarchy.isSubtype(KeyForAnnotatedTypeFactory.java:155)
        at org.checkerframework.framework.type.DefaultTypeHierarchy.isSubtype(DefaultTypeHierarchy.java:123)
        at org.checkerframework.common.basetype.BaseTypeVisitor.commonAssignmentCheck(BaseTypeVisitor.java:2784)
        at org.checkerframework.common.basetype.BaseTypeVisitor.commonAssignmentCheck(BaseTypeVisitor.java:2761)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitReturn(BaseTypeVisitor.java:2057)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitReturn(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCReturn.accept(JCTree.java:1554)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
        at org.checkerframework.framework.source.SourceVisitor.scan(SourceVisitor.java:88)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:356)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:248)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1032)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
        at org.checkerframework.framework.source.SourceVisitor.scan(SourceVisitor.java:88)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:356)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:206)
        at org.checkerframework.framework.source.SourceVisitor.visitMethod(SourceVisitor.java:106)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitMethod(BaseTypeVisitor.java:974)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitMethod(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:898)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
        at org.checkerframework.framework.source.SourceVisitor.scan(SourceVisitor.java:88)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:356)
        at org.checkerframework.common.basetype.BaseTypeVisitor.scan(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
        at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
        at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:187)
        at org.checkerframework.framework.source.SourceVisitor.visitClass(SourceVisitor.java:94)
        at org.checkerframework.common.basetype.BaseTypeVisitor.processClassTree(BaseTypeVisitor.java:556)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitClass(BaseTypeVisitor.java:498)
        at org.checkerframework.common.basetype.BaseTypeVisitor.visitClass(BaseTypeVisitor.java:190)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:808)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:56)
        at org.checkerframework.framework.source.SourceVisitor.visit(SourceVisitor.java:82)
        at org.checkerframework.framework.source.SourceChecker.typeProcess(SourceChecker.java:989)
        at org.checkerframework.common.basetype.BaseTypeChecker.typeProcess(BaseTypeChecker.java:542)
        at org.checkerframework.common.basetype.BaseTypeChecker.typeProcess(BaseTypeChecker.java:535)
        at org.checkerframework.javacutil.AbstractTypeProcessor$AttributionTaskListener.finished(AbstractTypeProcessor.java:188)
        at jdk.compiler/com.sun.tools.javac.api.ClientCodeWrapper$WrappedTaskListener.finished(ClientCodeWrapper.java:828)
        at jdk.compiler/com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:132)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1394)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1351)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:947)
        at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:311)
        at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:170)
        at jdk.compiler/com.sun.tools.javac.Main.compile(Main.java:57)
        at jdk.compiler/com.sun.tools.javac.Main.main(Main.java:43)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
Projects
None yet
2 participants