hoisted declarations still added before prologue directives

[ajafff]

TypeScript Version: 2.9.1 and 3.0.0-dev.20180601

Search Terms:

Code

function test(p: any) {
    'use strict';
    p = { prop: p } = p;
}

Expected behavior:

function test(p) {
    'use strict';
    var _a;
    p = (_a = p, p = _a.prop, _a);
}

Actual behavior:

function test(p) {
    var _a;
    'use strict';
    p = (_a = p, p = _a.prop, _a);
}

Playground Link: http://www.typescriptlang.org/play/#src=function%20test(p%3A%20any)%20%7B%0A%20%20%20%20'use%20strict'%3B%0A%20%20%20%20p%20%3D%20%7B%20prop%3A%20p%20%7D%20%3D%20p%3B%0A%7D

Related Issues:
#24386 should have fixed this 😕 but the baselines only changed code related to System.register. //cc @weswigham