v3.19.0

Features

• eliminate side-effect-free property access (9c80456, 95d3ede, 205a1d1, 124c4d3)
• improve hoist_vars efficiency (ce8ef52)
• improve compression around built-in function (8c5a899)
• improve deconstruction of singular destructuring assignment (8c5a899)

Bug Fixes

• __proto__ accessor (87c9edb)
• automatic semicolon insertion (008edfb, 8cfa37e)
• class field (2c73103, 0a33da4)
• default parameter (6669ea1)
• delete operator (b6b0658)
• destructuring syntax (f31311e, 8195a66, ed36c1e)
• function call (dc7aa32, 722465b)
• immediately invoked function expression (dc51a23)
• property access (6b23899)
• spread syntax (23d74be)
• try statement (8dc99fa, 787dfbe)
• unary arithmetic operator (fada1a1)