Hi Martin,
> By calling builtin_decl_explicit rather than builtin_decl_implicit
> the updated patch in the attachment avoids test failures due to
> missing warnings on targets with support for long double but whose
> libc doesn't support C99 functions like fabsl (such as apparently
> aarch64-linux).
[...]
> gcc/testsuite/ChangeLog:
>
> PR testsuite/88098
> * gcc.dg/Wbuiltin-declaration-mismatch-4.c: Adjust.
> * gcc.dg/Wbuiltin-declaration-mismatch-5.c: New test.
is the Wbuiltin-declaration-mismatch-5.c testcase still supposed to be
part of the patch? It's in the ChangeLog, but missing from the revised
patch.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
