Crash when using "export *"

[mhegazy]

export *;

TypeError: Cannot read property 'exports' of undefined
at visit (c:\ts\built\local\tsc.js:8889:59)
at c:\ts\built\local\tsc.js:8894:29
at Object.forEach (c:\ts\built\local\tsc.js:602:30)
at visit (c:\ts\built\local\tsc.js:8893:28)
at getExportsForModule (c:\ts\built\local\tsc.js:8880:13)
at getExportsOfModule (c:\ts\built\local\tsc.js:8860:70)
at getExportsOfSymbol (c:\ts\built\local\tsc.js:8856:42)
at resolveAnonymousTypeMembers (c:\ts\built\local\tsc.js:10378:31)
at resolveObjectOrUnionTypeMembers (c:\ts\built\local\tsc.js:10405:21)
at getPropertyOfType (c:\ts\built\local\tsc.js:10530:28)

[mhegazy]

Can not get it this to repro on latest bits.