[Bug]: Compiler crashes when a constant reference expression is used in an annotation

[MaryamZi]

Description

$title.

Was trying this as a workaround for #42933.

Steps to Reproduce

public type AnnotationRecord record {|
    string summary?;
    Examples examples?;
|};

public type Examples record {|
    map<ExampleItem> response;
|};

public type ExampleItem record {
    map<string> headers?;
};

const annotation AnnotationRecord annot on type;

const Examples EXAMPLES = {
    response: {

    }
};

@annot {
    examples: EXAMPLES
}
type Employee record {|
    int id;
    string name;
|};

[2024-06-15 07:47:27,357] SEVERE {b7a.log.crash} - Cannot read field "isTestPkg" because "packageID" is null 
java.lang.NullPointerException: Cannot read field "isTestPkg" because "packageID" is null
        at org.wso2.ballerinalang.compiler.semantics.analyzer.Types.getPackageIdString(Types.java:6727)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.Types.getImmutableType(Types.java:6710)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.Types.isSelectivelyImmutableType(Types.java:1611)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.Types.isSelectivelyImmutableType(Types.java:1594)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.Types.isSelectivelyImmutableType(Types.java:1589)
        at org.wso2.ballerinalang.compiler.util.ImmutableTypeCloner.getImmutableType(ImmutableTypeCloner.java:173)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.ConstantValueResolver.updateRecordFields(ConstantValueResolver.java:872)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.ConstantValueResolver.createRecordType(ConstantValueResolver.java:863)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.ConstantValueResolver.checkType(ConstantValueResolver.java:743)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.ConstantValueResolver.updateConstantType(ConstantValueResolver.java:679)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.ConstantValueResolver.constructBLangConstantValueWithExactType(ConstantValueResolver.java:593)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SymbolResolver.populateAnnotationAttachmentSymbol(SymbolResolver.java:2564)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:1098)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:253)
        at org.wso2.ballerinalang.compiler.tree.BLangAnnotationAttachment.accept(BLangAnnotationAttachment.java:81)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.lambda$visit$6(SemanticAnalyzer.java:646)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:640)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:253)
        at org.wso2.ballerinalang.compiler.tree.BLangTypeDefinition.accept(BLangTypeDefinition.java:124)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.analyzeNode(SemanticAnalyzer.java:4371)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.analyzeNode(SemanticAnalyzer.java:4345)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:336)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.visit(SemanticAnalyzer.java:253)
        at org.wso2.ballerinalang.compiler.tree.BLangPackage.accept(BLangPackage.java:172)
        at org.wso2.ballerinalang.compiler.tree.SimpleBLangNodeAnalyzer.visitNode(SimpleBLangNodeAnalyzer.java:217)
        at org.wso2.ballerinalang.compiler.semantics.analyzer.SemanticAnalyzer.analyze(SemanticAnalyzer.java:304)
        at io.ballerina.projects.internal.CompilerPhaseRunner.typeCheck(CompilerPhaseRunner.java:184)
        at io.ballerina.projects.internal.CompilerPhaseRunner.performTypeCheckPhases(CompilerPhaseRunner.java:110)
        at io.ballerina.projects.ModuleContext.compileInternal(ModuleContext.java:435)
        at io.ballerina.projects.ModuleCompilationState$1.compile(ModuleCompilationState.java:45)
        at io.ballerina.projects.ModuleContext.compile(ModuleContext.java:383)
        at io.ballerina.projects.PackageCompilation.compileModulesInternal(PackageCompilation.java:211)
        at io.ballerina.projects.PackageCompilation.compileModules(PackageCompilation.java:195)
        at io.ballerina.projects.PackageCompilation.compile(PackageCompilation.java:102)
        at io.ballerina.projects.PackageCompilation.from(PackageCompilation.java:97)
        at io.ballerina.projects.PackageContext.getPackageCompilation(PackageContext.java:244)
        at io.ballerina.projects.Package.getCompilation(Package.java:150)
        at io.ballerina.projects.Package.runCodeGeneratorPlugins(Package.java:323)
        at io.ballerina.cli.task.CompileTask.execute(CompileTask.java:153)
        at io.ballerina.cli.TaskExecutor.executeTasks(TaskExecutor.java:40)
        at io.ballerina.cli.cmd.RunCommand.execute(RunCommand.java:258)
        at java.base/java.util.Optional.ifPresent(Optional.java:178)
        at io.ballerina.cli.launcher.Main.main(Main.java:58)

Affected Version(s)

2201.9.1

OS, DB, other environment details and versions

No response

Related area

-> Compilation

Related issue(s) (optional)

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Suggested label(s) (optional)

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Suggested assignee(s) (optional)

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