tests/cases/conformance/es6/functionDeclarations/FunctionDeclaration9_es6.ts(1,10): error TS1219: Generators are only available when targeting ECMAScript 6 or higher.
==== tests/cases/conformance/es6/functionDeclarations/FunctionDeclaration9_es6.ts (1 errors) ====
function * foo() {
~
!!! error TS1219: Generators are only available when targeting ECMAScript 6 or higher.
var v = { [yield]: foo }
}