https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71874
Bug ID: 71874
Summary: memmove works wrong
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: critical
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sudakov_ivan at mail dot ru
Target Milestone: ---
Created attachment 38896
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38896&action=edit
Code to reproduce bug
Environment:
uname -a
Linux 4.1.13-100.fc21.x86_64 #1 SMP Tue Nov 10 13:13:20 UTC 2015 x86_64 x86_64
x86_64 GNU/Linux
g++ --version
g++ (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
How to reproduce:
1. Compile code: g++ memmove_bug.cpp (example from here:
http://www.cplusplus.com/reference/cstring/memmove/). File in attachment.
2. Run.
Expected result:
memmove can be very useful......
memmove can be very very useful.
actual result:
memmove can be very useful......
memmove can be very very usey u.
