tsserver: Debug Failure

[cevek]

TypeScript Version: 3.0.0-dev.20180710

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Code

Error: Debug Failure.
 at Object.assertDefined (/usr/local/lib/node_modules/typescript/lib/tsserver.js:1435:24)
 at deleteNodeInList (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103545:43)
 at Object.deleteDeclaration (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103443:29)
 at _loop_10 (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103063:43)
 at ChangeTracker.finishDeleteDeclarations (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103069:21)
 at ChangeTracker.getChanges (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103089:22)
 at Function.ChangeTracker.with (/usr/local/lib/node_modules/typescript/lib/tsserver.js:102667:32)
 at Object.getCodeActions (/usr/local/lib/node_modules/typescript/lib/tsserver.js:105704:65)
 at /usr/local/lib/node_modules/typescript/lib/tsserver.js:103605:121
 at Object.flatMap (/usr/local/lib/node_modules/typescript/lib/tsserver.js:498:25)
 at Object.getFixes (/usr/local/lib/node_modules/typescript/lib/tsserver.js:103605:23)
 at /usr/local/lib/node_modules/typescript/lib/tsserver.js:111467:35
 at Object.flatMap (/usr/local/lib/node_modules/typescript/lib/tsserver.js:498:25)
 at Object.getCodeFixesAtPosition (/usr/local/lib/node_modules/typescript/lib/tsserver.js:111465:23)
 at IOSession.Session.getCodeFixes (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119022:64)
 at Session.handlers.ts.createMapFromTemplate._a.(anonymous function) (/usr/local/lib/node_modules/typescript/lib/tsserver.js:117896:61)
 at /usr/local/lib/node_modules/typescript/lib/tsserver.js:119186:88
 at IOSession.Session.executeWithRequestId (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119177:28)
 at IOSession.Session.executeCommand (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119186:33)
 at IOSession.Session.onMessage (/usr/local/lib/node_modules/typescript/lib/tsserver.js:119206:35)
 at Interface.<anonymous> (/usr/local/lib/node_modules/typescript/lib/tsserver.js:120473:27)

Expected behavior:

Actual behavior:

Playground Link:

Related Issues:

[cevek]

Reproduce