[Bug c/84919] [8 Regression] error: passing argument 1 to restrict-qualified parameter aliases with argument 5 [-Werror=restrict]

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84919

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-03-16
     Ever confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
[hjl@gnu-bdx-1 tmp]$ cat x.c
#include <string.h>
#include <stdio.h>
char *str_error_r(char *buf, size_t buflen)
{
        snprintf(buf, buflen, "(%p, %zd)", buf, buflen);
        return buf;
}
[hjl@gnu-bdx-1 tmp]$ /usr/gcc-8.0.1-x32/bin/gcc -O2 -S -Wall x.c
x.c: In function ‘str_error_r’:
x.c:5:2: warning: passing argument 1 to restrict-qualified parameter aliases
with argument 4 [-Wrestrict]
  snprintf(buf, buflen, "(%p, %zd)", buf, buflen);
  ^~~~~~~~
[hjl@gnu-bdx-1 tmp]$