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Re: RFC: libiberty PATCH to disable demangling of ancient mangling schemes

Hi Jason,

>> Looks good to me.  Independently, do you see a reason not to disable the
>> old demangler entirely?
> 
> Like so.  Does anyone object to this?  These mangling schemes haven't
> been relevant in decades.

I am not really familiar with this old scheme, so please excuse my ignorance
in asking these questions:

  * How likely is it that there are old toolchain in use out there that still 
    use the v2 mangling ?  Ie I guess that I am asking "which generation(s)
    of gcc used v2 mangling ?"

  * If a user does try to demangle a v2 mangled name, what will happen ?
    Ie I guess I am asking if they will be given a hint that they need to use
    an older toolchain in order to demangle the names.

Cheers
  Nick
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