Sirraide wrote:
> @Sirraide, I noticed the following build issue when new compiler with this
> change (bootstrap compiler) is being used to build one of the files for
> `clangd`:
>
> ```
> .../clang-tools-extra/clangd/unittests/FindTargetTests.cpp:430:29: error:
> passing no argument for the '...' parameter of a variadic macro is a C++20
> extension [-Werror,-Wc++20-extensions]
> 430 | EXPECT_DECLS("AutoTypeLoc");
> | ^
> .../clang-tools-extra/clangd/unittests/FindTargetTests.cpp:98:9: note: macro
> 'EXPECT_DECLS' defined here
> 98 | #define EXPECT_DECLS(NodeType, ...)
> \
> | ^
> ```
>
> Do you have suggestion how to fix it or even better provie the fix? Thank
> you, Zibi
I mean, from what I can tell, this isn’t a Clang issue but rather just a result
of this code here not being standards-compliant C++17. Before C++20, afaik the
‘fix’ for this is to have two different macros: one variadic, one not variadic.
It’s not pretty, but that’s why that got changed in C++20.
https://github.com/llvm/llvm-project/pull/84520
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