<memory>: Fix constraints of shared_ptr's constructors when the involved pointer type would be invalid - #4290

<memory>: Fix constraints of shared_ptr's constructors when the involved pointer type would be invalid#4290

Stephan T. Lavavej (StephanTLavavej) merged 3 commits into

microsoft:mainmicrosoft/STL:mainfrom

frederick-vs-ja:shared_ptr-constraintsfrederick-vs-ja/STL:shared_ptr-constraintsCopy head branch name to clipboard