Prefer `rb_fstring_lit` over `rb_fstring_cstr`

The former states explicitly that the argument must be a literal,
and can optimize away `strlen` on all compilers.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65059 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/strftime.c b/strftime.c
index c864076f10..dd2b21f977 100644
--- a/strftime.c
+++ b/strftime.c
@@ -826,7 +826,7 @@ rb_strftime_with_timespec(VALUE ftime, const char *format, size_t format_len,
                                         args[0] = INT2FIX(precision);
                                         args[1] = subsec;
                                         result = rb_str_format(2, args,
-                                                      rb_fstring_cstr("%0*d"));
+                                                      rb_fstring_lit("%0*d"));
                                         (void)strlcpy(s, StringValueCStr(result), endp-s);
                                         s += precision;
                                 }