[macros] Support const fns with bounds on MSRV#2435

joshlf wants to merge 1 commit intomaingoogle/zerocopy:mainfrom

Icdb256acfdb274f34312cf5b216a02ca426338a1google/zerocopy:Icdb256acfdb274f34312cf5b216a02ca426338a1Copy head branch name to clipboard