[Bug gas/21667] Global alias of common symbol is silently dropped

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21667

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Nick Clifton from comment #1)
> Created attachment 10337 [details]
> Proposed patch
> 
> Hi H.J.
> 
>   Why are you expecting the assembler to complain about a global common
>   symbol ?  
> 
>   Anyway, what do you think of this patch ?  Is this the kind of thing
>   that you had in mind ?

I think it should be an error, not warning, since foo1 is dropped.

        .set    foo1,foo
        .globl  foo1
        .bss
        .p2align 3
foo:
        .zero 8

should be used to crease an alias for foo in .bss section.

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