[llvm-bugs] [Bug 38236] flexible array member in an otherwise empty struct

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Jul 19 19:10:36 PDT 2018


Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
                 CC|                            |richard-llvm at metafoo.co.uk
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
> clang++ accepts the code, but g++ rejects it:
> code0.cpp:8:24: error: flexible array member 'A::tasks' in an otherwise
> empty 'struct A'
>   ordered_tasks * tasks[];
>                         ^

This is intentional.

C has a rule that structs can't be empty, C++ does not, so it makes sense that
this restriction would not exist in C++.

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