[Bug runtime/22572] systemtap 3.2 failed to compile on ARM

["mysecondaccountabc at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22572

--- Comment #8 from Gustavo Moreira <mysecondaccountabc at gmail dot com> ---
(In reply to Frank Ch. Eigler from comment #4)
> Just a guess - does this hypothetical patch fix your build?
> 
> diff --git a/staptree.h b/staptree.h
> index a376a436b88b..84d4fec63db9 100644
> --- a/staptree.h
> +++ b/staptree.h
> @@ -518,10 +518,10 @@ struct print_format: public expression
>      unsigned base;
>      unsigned width;
>      unsigned precision;
> -    unsigned flags : 8;
> -    width_type widthtype : 8;
> -    precision_type prectype : 8;
> -    conversion_type type : 8;
> +    unsigned flags;
> +    width_type widthtype;
> +    precision_type prectype;
> +    conversion_type type;
>      interned_string literal_string;
>      bool is_empty() const
>      {

Thanks Frank, yeah patching it that way also works. 

Same concern I asked to Torsten@ and David@ :
"I wonder why it's failing, because it's not due to the CXX11's "Strongly-typed
enums" feature. Actually, I've tested it separately and this feature works with
G++ 4.7 (have a look to my response to David@). It seems to be failing inside
STL."

Cheers,
Gus

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