`_Convert_size()` should be conditionally `noexcept`#2139

Merged

StephanTLavavej merged 1 commit intomicrosoft:mainfrom

StephanTLavavej:cleanups4-fix-convert-size-noexcept

Aug 27, 2021

Commits on Aug 18, 2021

Fix _Convert_size noexcept bug, use `if constexpr`.
StephanTLavavej
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