[Bug libgcc/57405] Using printf in signal handler with alternate stack generates a SIGSEGV

[sch...@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57405

Andreas Schwab <sch...@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Andreas Schwab <sch...@linux-m68k.org> ---
See
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_04>
for the complete list of async-signal-safe functions.  printf is not among
them.