On 15 Nov 2021, at 19:14, Mark Millard via arm <a...@freebsd.org> wrote:
>
> There error was:
>
> error: non-constant-expression cannot be narrowed from type 'long long' to
> 'std::size_t' (aka 'unsi
> gned int') in initializer list [-Wc++11-narrowing]
> std::size_t resultBytes{size * elementBytes};
> ^~~~~~~~~~~~~~~~~~~
> /wrkdirs/usr/ports/devel/llvm13/work/llvm-project-13.0.0.src/flang/runtime/misc-intrinsic.cpp:50:27:
> note: insert an explicit cast to silence this issue
> std::size_t resultBytes{size * elementBytes};
> ^~~~~~~~~~~~~~~~~~~
> static_cast<size_t>( )The flang subproject does quite a lot of mixing of size_t and uint64_t, assuming in various places that they are the same. You will also encounter similar errors when attempting to build it for e.g. i386, or other 32 bit architectures. I think it is quite a lot of work to get all of these right, and it should really be discussed upstream. So for now, I would advise to only turn on the flang option for amd64 by default. -Dimitry
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