https://llvm.org/bugs/show_bug.cgi?id=27526
David Majnemer <david.majne...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from David Majnemer <david.majne...@gmail.com> ---
GLibc contains the following:
The behavior of this function is undefined if copying takes place between
objects that overlap—for example, if s is also given as an argument to be
printed under control of the ‘%s’ conversion.
http://www.gnu.org/software/libc/manual/html_mono/libc.html#Formatted-Output-Functions
The Single Unix Specification Version 4 says the same thing:
If copying takes place between objects that overlap as a result of a call to
sprintf() or snprintf(), the results are undefined.
Therefore, I do not believe that LLVM's behavior is indicative of a bug.
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