Remove redundant zero extend

[David Malcolm]

On Wed, 2020-03-11 at 13:04 +0000, Nidal Faour via Gcc-patches wrote:

[...]

> diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
> index f91af78a302..c5a701e08af 100644
> --- a/gcc/testsuite/ChangeLog
> +++ b/gcc/testsuite/ChangeLog
> @@ -1,3 +1,7 @@
> +2020-02-19  Nidal Faour  <nidal.faour@wdc.com>
> +       * gcc.target/riscv/masking-to-byte-1.c: New test
> +       * gcc.target/riscv/masking-to-byte-2.c: New test
> +
> 2020-03-09  Marek Polacek  <polacek@redhat.com>
>                 PR c++/92031 - bogus taking address of rvalue error.

If I'm reading it right, the patch is missing these new testcases.

Dave