TSX: Cannot read property 'flags' of undefined

[s-panferov]

Minimal example to reproduce:

/// <reference path="./react.d.ts" />

import * as React from 'react';

class C extends React.Component<any, any> {
    render() {
        return null
    }
}

let C1: React.Component<any, any> = C;
let a = <C1 />;

Trace:

/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:28987
                throw e;
                      ^
TypeError: Cannot read property 'flags' of undefined
    at getApparentType (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:12754:21)
    at getPropertyOfType (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:12830:20)
    at getTypeOfPropertyOfType (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:11889:24)
    at getJsxElementAttributesType (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:16075:46)
    at checkJsxOpeningLikeElement (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:16138:40)
    at checkJsxSelfClosingElement (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:15860:13)
    at checkExpressionWorker (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:17893:28)
    at checkExpression (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:17804:42)
    at checkExpressionCached (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:17765:38)
    at getTypeForVariableLikeDeclaration (/Users/panferov/Workspace/out/TypeScript/bin/tsc.js:11968:24)

Command to run:

tsc --jsx react --target es6 issue.tsx

Compiler is the latest:

commit 4e85864b2dca574152134d532851708cecec1c3c

Here is the repo https://github.com/s-panferov/ts-jsx-issue

[RyanCavanaugh]

See #3903 (fix pending at #3942)