MaskRay added a comment.
In D151683#4486321 <https://reviews.llvm.org/D151683#4486321>, @aaron.ballman
wrote:
> Aside from the failing precommit CI test case in C, I think this LGTM. I've
> added @MaskRay as the code owner for the command line option changes in case
> he's got concerns regarding the deprecation/removal plans.
- ``-fdouble-square-bracket-attributes`` has been deprecated. It is ignored
now
and will be removed in CLang 18.
sounds good. (Minor case typo in `CLang`). As you said in
https://discourse.llvm.org/t/rfc-enable-c-11-c2x-attributes-in-all-standard-modes-as-an-extension-and-remove-fdouble-square-bracket-attributes/71268/2
> I’m in support of this idea. I think we should enable the extension
> unconditionally for Clang 17 with a release note mentioning that
> -fdouble-square-bracket-attributes will be removed in Clang 18 just as a
> kindness to users with proprietary code bases that might be using it.
I think a clear summary/commit message should mention that this patch makes
`[[...]]`` available to C++03 and C17 with no warning by default.
It's also worth calling out that GCC since 10 supports `[[]]` in all C language
modes (AFAICT there is no warning even with `gcc -std=c89 -c a.c`) (there is a
warning `-pedantic`).
% g++ -c a.cc -std=c++03
a.cc:2:1: error: expected unqualified-id before ‘[’ token
2 | [[nodiscard]] int without_underscores(void);
| ^
% myclang++ -c a.cc -std=c++03 # no warning with this patch
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D151683/new/
https://reviews.llvm.org/D151683
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