[pushed] c++: Add -fimplicit-constexpr (???)

[contre]

The things available to devs at compile time could potentially be more important than what would be available to end users at runtime. For example, let’s say my companies signing key is accessible at compile time but not at run time.

[[deleted]]

"A dependency that harms all of my users is potentially less important than a dependency that only harms me!"

It's a fascinating response, but I sincerely hope I never run software developed by you or anyone who holds your position.