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initialize variables

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* string.c (rb_str_enumerate_lines): initialize conditionally
  used variable.

* thread.c (rb_fd_no_init): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-02-14 07:52:30 +00:00
parent c59f2b0382
commit 957e6e4b14
2 changed files with 3 additions and 11 deletions
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6
string.c
View file

@ -7493,8 +7493,7 @@ rb_str_enumerate_lines(int argc, VALUE *argv, VALUE str, int wantarray)
const char *ptr, *pend, *subptr, *subend, *rsptr, *hit, *adjusted;
long pos, len, rslen;
int rsnewline = 0;
VALUE MAYBE_UNUSED(ary);
VALUE ary = 0;
if (rb_scan_args(argc, argv, "01:", &rs, &opts) == 0)
rs = rb_rs;
@ -7517,9 +7516,6 @@ rb_str_enumerate_lines(int argc, VALUE *argv, VALUE str, int wantarray)
wantarray = 0;
#endif
}
#if defined __GNUC__ && !defined __clang__
ASSUME(wantarray || !ary); /* if wantarray, ary does not matter */
#endif
}
else {
if (wantarray)

8
thread.c
View file

@ -3573,9 +3573,7 @@ rb_fd_select(int n, rb_fdset_t *readfds, rb_fdset_t *writefds, rb_fdset_t *excep
return select(n, r, w, e, timeout);
}
#if defined __GNUC__ && __GNUC__ >= 5
# define rb_fd_no_init(fds) ASSUME(!(fds)->fdset && !(fds)->maxfd)
#endif
#define rb_fd_no_init(fds) (((fds)->fdset = 0), ((fds)->maxfd = 0))
#undef FD_ZERO
#undef FD_SET
@ -3640,9 +3638,7 @@ rb_fd_set(int fd, rb_fdset_t *set)
#define FD_CLR(i, f) rb_fd_clr((i), (f))
#define FD_ISSET(i, f) rb_fd_isset((i), (f))
#if defined __GNUC__ && __GNUC__ >= 5
# define rb_fd_no_init(fds) ASSUME(!(fds)->fdset)
#endif
#define rb_fd_no_init(fds) ((fds)->fdset = 0)
#endif