Typescript error with --allowJavaScript - clone with git clone git@github.com:7cd1433497897e64af9f.git

b.js

function hi () {
  return 'hi'
}

module.exports = hi

// compiles fine with:
// module.exports = function hi () {
//  return 'hi'
// }

console.txt

> tsc --version
Version 1.9.0-dev.20160131

> tsc --allowJs --outDir foo index.js
/usr/local/lib/node_modules/typescript/lib/tsc.js:33194
                throw e;
                ^

TypeError: Cannot read property 'kind' of undefined
    at getTargetOfAliasDeclaration (/usr/local/lib/node_modules/typescript/lib/tsc.js:12347:25)
    at resolveAlias (/usr/local/lib/node_modules/typescript/lib/tsc.js:12371:30)
    at resolveSymbol (/usr/local/lib/node_modules/typescript/lib/tsc.js:12363:101)
    at resolveExternalModuleSymbol (/usr/local/lib/node_modules/typescript/lib/tsc.js:12499:52)
    at resolveExternalModuleTypeByLiteral (/usr/local/lib/node_modules/typescript/lib/tsc.js:14915:44)
    at checkCallExpression (/usr/local/lib/node_modules/typescript/lib/tsc.js:19439:24)
    at checkExpressionWorker (/usr/local/lib/node_modules/typescript/lib/tsc.js:20314:28)
    at checkExpression (/usr/local/lib/node_modules/typescript/lib/tsc.js:20264:42)
    at checkExpressionCached (/usr/local/lib/node_modules/typescript/lib/tsc.js:20225:38)
    at getTypeForVariableLikeDeclaration (/usr/local/lib/node_modules/typescript/lib/tsc.js:13672:24)

index.js

var a = require('./b')
console.log(a(), 'world')

module.exports = a