Bug 666656 - Suppress clang and gcc warnings in third-party gfx code: angle, cairo, and pixman. r=BenWa
Bug 980211 - Suppress clang and gcc warnings in third-party media code: speex, theora, and vpx. r=derf
Bug 984074 - Suppress clang and gcc warnings in third-party code: snappy. r=janv
Bug 984079 - Suppress clang and gcc warnings in third-party code: protobuf. r=mmc
Bug 984250 - Suppress clang and gcc warnings in third-party code: hunspell and hyphen. r=ehsan
Bug 983959 - Part 1: Fix warnings about unused member variables in js/. r=luke
Bug 983959 - Part 2: Remove unused DebugOnly #includes in js/. r=luke
Bug 984071 - Part 1: Fix unused variable warning in content/media/webaudio. r=padenot