Issue: dev-qt/qtdeclarative-5.15.7-r1 overwrites user's optimization (-O*).
Discovered on: amd64 (internal ref: ci)
unless there are known issues with -O* configured by the user, the build system should not overwrite -O*.
Created attachment 843411 [details]
build log and emerge --info (compressed because it exceeds attachment limit, use 'xzless' to read it)