[Bug 6050] New: Possible use of uninitialized value in __syscall_error.c

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=6050

           Summary: Possible use of uninitialized value in
                    __syscall_error.c
           Product: uClibc
           Version: 0.9.33.3
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
        AssignedTo: unassigned at uclibc.org
        ReportedBy: noloader at gmail.com
                CC: uclibc-cvs at uclibc.org
   Estimated Hours: 0.0


CC=clang

  CC libc/sysdeps/linux/x86_64/__syscall_error.os
libc/sysdeps/linux/x86_64/__syscall_error.c:19:14: warning: variable 'err_no'
is
      uninitialized when used here [-Wuninitialized]
        __set_errno(err_no);
        ~~~~~~~~~~~~^~~~~~~
./include/errno.h:79:36: note: expanded from macro '__set_errno'
#define __set_errno(val) (errno = (val))
                                   ^
libc/sysdeps/linux/x86_64/__syscall_error.c:16:21: note: initialize the
variable
      'err_no' to silence this warning
        register int err_no __asm__ ("%rcx");
                           ^
                            = 0       
1 warning generated.

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