tree ef927417693b25c498ead0b08b7362d861d1ff3e
parent 963a574f7d924c8b29f9155a7c48753eda95e7d1
author Nigel Tao <nigeltao@golang.org> 1625484371 +1000
committer Nigel Tao <nigeltao@golang.org> 1625485218 +1000

Tweak the WUFFS_BASE__FALLTHROUGH macro

When compiling with "-Werror,-Wimplicit-fallthrough", commit c90cc7b6
tweaked WUFFS_BASE__FALLTHROUGH to work with newer clang compilers, when
defined(__cplusplus) is false, but inadvertently broke older clang
compilers, when __has_attribute(fallthrough) is false.

This commit reverts some of c90cc7b6 to handle more cases. The next two
commits will delete the WUFFS_BASE__FALLTHROUGH macro entirely and
render this commit redundant, as the whole business is proving more
trouble than it's worth. But it's checked into the commit history in
case somebody in the future wants to revive WUFFS_BASE__FALLTHROUGH.