<format>: Detect some invalid contiguous ranges in range_formatter - #5187

<format>: Detect some invalid contiguous ranges in range_formatter#5187

Stephan T. Lavavej (StephanTLavavej) merged 5 commits into

microsoft:mainmicrosoft/STL:mainfrom

frederick-vs-ja:contiguously-smallfrederick-vs-ja/STL:contiguously-smallCopy head branch name to clipboard