Function hoistFunctionDeclaration

test/fixtures/snapshot/typescript.js:109747–109757

* Records a hoisted function declaration within a lexical environment.

(func)

         * Records a hoisted function declaration within a lexical environment.
         */
        function hoistFunctionDeclaration(func) {
            ts.Debug.assert(state > 0 /* TransformationState.Uninitialized */, "Cannot modify the lexical environment during initialization.");
            ts.Debug.assert(state < 2 /* TransformationState.Completed */, "Cannot modify the lexical environment after transformation has completed.");
            ts.setEmitFlags(func, 1048576 /* EmitFlags.CustomPrologue */);
            if (!lexicalEnvironmentFunctionDeclarations) {
                lexicalEnvironmentFunctionDeclarations = [func];
            }
            else {
                lexicalEnvironmentFunctionDeclarations.push(func);
            }
        }
        /**
         * Adds an initialization statement to the top of the lexical environment.
         */