[Bug target/64231] [5 Regression] SIGSEGV building glibc on aarch64-linux-gnu from r217852

["belagod at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64231

--- Comment #14 from Tejas Belagod <belagod at gcc dot gnu.org> ---
Also, I'm unable to build x-gcc with glibc at
1400983e04d7b4b5a92db79ab27b0d0ec7d8bdef due to an error: 

bin-trunk-linux/obj/glibc/intl/hash-string.os
plural.c:182:5: error: conflicting types for ‘__gettextparse’
 int __gettextparse (void);
     ^
In file included from plural.y:35:0:
plural-exp.h:97:23: note: previous declaration of ‘__gettextparse’ was here
 # define PLURAL_PARSE __gettextparse

so, I tried with an earlier version(c5684fdb2badfda3bd6e973e5f933272e39e9590),
but still no luck.
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Subject: [Bug middle-end/64614] bogus used initialized warning (in gcc 4.9.2 not in 4.8.3); switch statement versus &
Date: Thu, 15 Jan 2015 16:32:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd614

--- Comment #2 from Dr. David Alan Gilbert <dgilbert at redhat dot com> ---
(In reply to Marek Polacek from comment #1)
> We have tons of these -W*uninitialized bugs, so there's likely a dup.

Yep, it's possible - I couldn't find an obvious match; but two things to note
that might make this case easier to track down:
   a) It seems a regression from 4.8.3 to 4.9.2
   b) To me it seems specific to the  if/switch combination

Dave