[Bug gas/27195] Error: file number less than one

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27195

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Nick Clifton from comment #4)
> (In reply to H.J. Lu from comment #2)
> > I think it is very bad that
> > 
> > $ as -o x.o x.s
> > 
> > fails when x.s contains DWARF5 info generated by GCC 11.  Assembler 
> > shouldn't
> > require --gdwarf-5 to accept DWARF5 info.  GCC 11 should emit an assembly
> > directive to enable DWARF5 info in assembler.
> 
> Wouldn't it just be easier to update gcc's spec file to add the --gdwarf-5
> directive ?  Eg by changing this part of asm_debug:
> 
>   %{!gstabs*:%{g*:--gdwarf2}}
> 
> into:
> 
>   %{!gstabs*:%{g*:--gdwarf-%*}%{!g:--gdwarf-5}}

It is done in GCC. But it doesn't always work.  If assembly codes have
DWARF5 ".file 0" or ".loc 0" directives, assembler should turn on DWARF5
and accept them.

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