[PATCH, Fortran] Use _Float128 rather than __float128 for c_float128 kind

[Tobias Burnus]

On 17.09.21 06:02, Sandra Loosemore wrote:
> On 9/5/21 11:20 PM, Sandra Loosemore wrote:
>> Unless the aarch64 maintainers think it is a bug that __float128 is
>> not supported, I think the right solution here is [...] to tie the
>> C_FLOAT128 kind to _Float128 rather than __float128, [...]
>
> Here's a new patch that does this.  I've tested it on
> x86_64-linux-gnu, powerpc64le-linux-gnu, and aarch64-linux-gnu, and it
> does fix the previously reported failure compiling
> gfortran.dg/PR100914.c on aarch64.  OK to commit?

LGTM – thanks!

Tobias

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