Merge pull request #539 from bocoup/id-to-esid

test/language/eval-code/export.js

test/language/eval-code/import.js

test/language/global-code/export.js

test/language/global-code/import.js

test/language/module-code/decl-pos-export-arrow-function.js

test/language/module-code/decl-pos-export-block-stmt-list.js

test/language/module-code/decl-pos-export-block-stmt.js

...age/module-code/decl-pos-export-class-decl-meth-static.js

test/language/module-code/decl-pos-export-class-decl-meth.js

...dule-code/decl-pos-export-class-decl-method-gen-static.js

...uage/module-code/decl-pos-export-class-decl-method-gen.js

...module-code/decl-pos-export-class-expr-meth-gen-static.js

...nguage/module-code/decl-pos-export-class-expr-meth-gen.js

...age/module-code/decl-pos-export-class-expr-meth-static.js

test/language/module-code/decl-pos-export-class-expr-meth.js

test/language/module-code/decl-pos-export-do-while.js

test/language/module-code/decl-pos-export-for-const.js

test/language/module-code/decl-pos-export-for-in-const.js

test/language/module-code/decl-pos-export-for-in-let.js

test/language/module-code/decl-pos-export-for-in-lhs.js