Function endLexicalEnvironment

test/fixtures/snapshot/typescript.js:109812–109856

* Ends a lexical environment. The previous set of hoisted declarations are restored and * any hoisted declarations added in this environment are returned.

()

         * any hoisted declarations added in this environment are returned.
         */
        function endLexicalEnvironment() {
            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.Debug.assert(!lexicalEnvironmentSuspended, "Lexical environment is suspended.");
            var statements;
            if (lexicalEnvironmentVariableDeclarations ||
                lexicalEnvironmentFunctionDeclarations ||
                lexicalEnvironmentStatements) {
                if (lexicalEnvironmentFunctionDeclarations) {
                    statements = __spreadArray([], lexicalEnvironmentFunctionDeclarations, true);
                }
                if (lexicalEnvironmentVariableDeclarations) {
                    var statement = factory.createVariableStatement(
                    /*modifiers*/ undefined, factory.createVariableDeclarationList(lexicalEnvironmentVariableDeclarations));
                    ts.setEmitFlags(statement, 1048576 /* EmitFlags.CustomPrologue */);
                    if (!statements) {
                        statements = [statement];
                    }
                    else {
                        statements.push(statement);
                    }
                }
                if (lexicalEnvironmentStatements) {
                    if (!statements) {
                        statements = __spreadArray([], lexicalEnvironmentStatements, true);
                    }
                    else {
                        statements = __spreadArray(__spreadArray([], statements, true), lexicalEnvironmentStatements, true);
                    }
                }
            }
            // Restore the previous lexical environment.
            lexicalEnvironmentStackOffset--;
            lexicalEnvironmentVariableDeclarations = lexicalEnvironmentVariableDeclarationsStack[lexicalEnvironmentStackOffset];
            lexicalEnvironmentFunctionDeclarations = lexicalEnvironmentFunctionDeclarationsStack[lexicalEnvironmentStackOffset];
            lexicalEnvironmentStatements = lexicalEnvironmentStatementsStack[lexicalEnvironmentStackOffset];
            lexicalEnvironmentFlags = lexicalEnvironmentFlagsStack[lexicalEnvironmentStackOffset];
            if (lexicalEnvironmentStackOffset === 0) {
                lexicalEnvironmentVariableDeclarationsStack = [];
                lexicalEnvironmentFunctionDeclarationsStack = [];
                lexicalEnvironmentStatementsStack = [];
                lexicalEnvironmentFlagsStack = [];
            }
            return statements;
        }
        function setLexicalEnvironmentFlags(flags, value) {
            lexicalEnvironmentFlags = value ?
                lexicalEnvironmentFlags | flags :