eaeltsin added a comment.

Hi,

Is it a known issue, that clang doesn't compile `void foo(char *argv[] 
[[maybe_unused]]) {}` ?

https://godbolt.org/z/r9E81cWxh - clang fails, but gcc doesn't.

It looks like there is a lot of oss code of the form `void foo(char *argv[] 
ATTRIBUTE_UNUSED)`, where `ATTRIBUTE_UNUSED` was configured to 
`__attribute__((unused))` before this change (thus compiled ok) and to 
`[[maybe_unused]]` after this change (thus started to break).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151683/new/

https://reviews.llvm.org/D151683

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