Merge branch 'master' into harmony-v3.3.0

README.md

@@ -630,9 +630,6 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u
 - `booleans` (default: `true`) -- various optimizations for boolean context,
   for example `!!a ? b : c → a ? b : c`
 
-- `cascade` (default: `true`) -- small optimization for sequences, transform
-  `x, x` into `x` and `x = something(), x` into `x = something()`
-
 - `collapse_vars` (default: `true`) -- Collapse single-use non-constant variables,
   side effects permitting.
 
@@ -665,7 +662,7 @@ If you're using the `X-SourceMap` header instead, you can just omit `sourceMap.u
 
 - `global_defs` (default: `{}`) -- see [conditional compilation](#conditional-compilation)
 
-- `hoist_funs` (default: `true`) -- hoist function declarations
+- `hoist_funs` (default: `false`) -- hoist function declarations
 
 - `hoist_props` (default: `true`) -- hoist properties from constant object and
   array literals into regular variables subject to a set of constraints. For example: