Snippets for sed 4.10 from Fedora x86_64

Sourced from https://kojipkgs.fedoraproject.org/packages/sed/4.10/1.fc45/data/logs/x86_64/build.log.

• sed/utils.c:422:1: warning: old-style function definition [-Wold-style-definition]
    422 | _copy (from, to)
        | ^~~~~
  

• sed/compile.c:411:37: warning: 'delim' may be used uninitialized [-Wmaybe-uninitialized]
    411 |           else if (state == 2 && ch == delim)
        |                                  ~~~^~~~~~~~
  

• lib/glthread/lock.h:526:38: warning: statement with no effect [-Wunused-value]
    526 | # define glthread_lock_destroy(NAME) 0
        |                                      ^
  

• lib/glthread/lock.h:526:38: warning: statement with no effect [-Wunused-value]
    526 | # define glthread_lock_destroy(NAME) 0
        |                                      ^
  

• lib/glthread/lock.h:526:38: warning: statement with no effect [-Wunused-value]
    526 | # define glthread_lock_destroy(NAME) 0
        |                                      ^
  

• lib/glthread/lock.h:524:35: warning: statement with no effect [-Wunused-value]
    524 | # define glthread_lock_lock(NAME) 0
        |                                   ^
  

• lib/glthread/lock.h:525:37: warning: statement with no effect [-Wunused-value]
    525 | # define glthread_lock_unlock(NAME) 0
        |                                     ^
  

• lib/regexec.c:192:13: warning: unused variable 'dfa' [-Wunused-variable]
    192 |   re_dfa_t *dfa = preg->buffer;
        |             ^~~
  

• lib/glthread/lock.h:524:35: warning: statement with no effect [-Wunused-value]
    524 | # define glthread_lock_lock(NAME) 0
        |                                   ^
  

• lib/glthread/lock.h:525:37: warning: statement with no effect [-Wunused-value]
    525 | # define glthread_lock_unlock(NAME) 0
        |                                     ^
  

• lib/regexec.c:372:13: warning: unused variable 'dfa' [-Wunused-variable]
    372 |   re_dfa_t *dfa = bufp->buffer;
        |             ^~~
  

• test-thread_create.c:30:20: warning: 'worker_thread' defined but not used [-Wunused-variable]
     30 | static gl_thread_t worker_thread;
        |                    ^~~~~~~~~~~~~