[Bug libc/18052] New: Symbol clash with preprocessor __i686 produces segfaults.

["jparmele at wildbear dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18052

            Bug ID: 18052
           Summary: Symbol clash with preprocessor __i686  produces
                    segfaults.
           Product: glibc
           Version: 2.21
            Status: NEW
          Severity: critical
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: jparmele at wildbear dot com
                CC: drepper.fsp at gmail dot com

Created attachment 8155
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8155&action=edit
patch for glibc-2.21

This was fixed before so this is a regression.  Don't use __i686 as a separable
part of a symbol because the preprocessor defines it.  This causes failures
when attempting to use glibc.  I saw the problem as a segfault when the install
tried to run sln.  Patch is to sed out such symbols from glibc-2.21.  Patch was
created by a acript fix_asm which finds such symbols in .S and .h files.  Patch
for glibc-2.21 is included as an attachment.

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