-e: see title, applies to wasm, asm, gzip and brotli

Last good version:
Version 2018.2.0a1 (f0f6225eae35)
Fri, 26 Jan 2018 14:35:39 GMT
Branch: trunk

First bad version:
Version 2018.2.0a1 (210ec0022b93)
Thu, 01 Feb 2018 03:46:58 GMT
Branch: trunk

-repro:
--open attached or create new empty project
--build empty project with good version
--notice size
---Gzip: 3.3MB
---Brotli: 2.4MB
--build same project with bad version
--NOTICE build size has increased a lot
---Gzip: 5.8MB
---Brotli: 4.2MB