On Mon, Jan 25, 2021 at 1:19 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> After
>
> commit 705989f19adf20dd70c50237ec61cd708f2b0939
> Author: H.J. Lu <hjl.tools@gmail.com>
> Date:   Mon Jan 18 06:25:05 2021 -0800
>
>     as: Automatically enable DWARF5 support
>
> --gdwarf-5 is no longer needed to accept DWARF5 info generated by GCC.
>
> Since assembler generated debug information is incompatible with
> relaxation, don't generate debug information for assembly codes with
> --gdwarf-5 which is passed down by GCC.
>
> OK for master and 2.36 branch?
>
> H.J.
> ---
>         PR gas/27243
>         * config/tc-nios2.c (md_begin): Set debug_type to DEBUG_UNSPECIFIED
>         for --gdwarf-5.
>         * testsuite/gas/nios2/relax.d: New file.
>         * testsuite/gas/nios2/relax.s: Likewise.

GCC 11 passes --gdwarf-5 to assembler to enable DWARF5 debug info.  Don't
disable relaxation when --gdwarf-N is specified.  The assembler generated
debug information will treat the sequence of the relaxed instructions as
a single instruction.

OK for master and 2.36 branch?

-- 
H.J.