[NFC] Add [[maybe_unused]] to avoid warning in gcc9
authorChuanqi Xu <yedeng.yd@linux.alibaba.com>
Fri, 19 Aug 2022 06:41:25 +0000 (14:41 +0800)
committerChuanqi Xu <yedeng.yd@linux.alibaba.com>
Fri, 19 Aug 2022 06:43:22 +0000 (14:43 +0800)
commitacaf6b9dc07de3c12c8a1a55fd8674bca547a917
treec587c4d14992e869471c77ae9576266abb124a94
parent5dbeb2ce2a8c73016a7e1a5f0e049469239e74c7
[NFC] Add [[maybe_unused]] to avoid warning in gcc9

GCC9 may issue warning for the 'unused' parameters in if constexpr.
This commit try to fix it by adding the [[maybe_unused]] attribute.
clang/include/clang/AST/RecursiveASTVisitor.h