Error: Debug Failure. False expression: Changes overlap

[jttoday]

TypeScript Version: 3.1.2

Search Terms:
Error: Debug Failure. False expression: Changes overlap
Code

const ts = require("typescript");
const tmpFileName = "/tmp/whatever.tsx";
const source = `
export class A extends B {
    del(id, idx) {
    }

    func() {
        return e => {
            this.del(item.id, idx);
        }
    }
}
`;
const compilerOptions = {
};

const servicesHost = {
    getScriptFileNames: () => [tmpFileName],
    getScriptVersion: fileName => '0',
    getScriptSnapshot: fileName => {
        return ts.ScriptSnapshot.fromString(source);
    },
    getCurrentDirectory: () => process.cwd(),
    getCompilationSettings: () => compilerOptions,
    getDefaultLibFileName: options => ts.getDefaultLibFilePath(options),
};
const languageService = ts.createLanguageService(
    servicesHost,
    ts.createDocumentRegistry()
);

const codeFixes = languageService.getCombinedCodeFix(
    { fileName: tmpFileName, type: "file" },
    "unusedIdentifier_delete",
    {},
    {}
);

Expected behavior:
Get the correct code fixes
Actual behavior:
throw Error

/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:1428
            throw e;
            ^

Error: Debug Failure. False expression: Changes overlap
Verbose Debug Information: {"pos":82,"end":134} and {"pos":110,"end":119}
    at _loop_17 (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106231:34)
    at /project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106237:25
    at Array.map (<anonymous>)
    at Object.getTextChangesFromChanges (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106225:86)
    at ChangeTracker.getChanges (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106195:45)
    at Function.ChangeTracker.with (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:105759:32)
    at Object.codeFixAll (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106726:60)
    at Object.getAllCodeActions (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:109480:32)
    at Object.getAllFixes (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:106713:81)
    at Object.getCombinedCodeFix (/project/node_modules/_typescript@3.1.2@typescript/lib/typescript.js:115437:31)

Related Issues:
#27305