time64.c: Store fcn return in a variable

This is in preparation for it being used in more than one place

1 files changed, 2 insertions, 1 deletions

diff --git a/time64.c b/time64.c
index 957218074f..475134f3c4 100644
--- a/time64.c
+++ b/time64.c
@@ -467,11 +467,12 @@ struct TM *Perl_localtime64_r (const Time64_T *time, struct TM *local_tm)
     struct TM gm_tm;
     Year orig_year;
     int month_diff;
+    const bool use_system = SHOULD_USE_SYSTEM_LOCALTIME(*time);
 
     assert(local_tm != NULL);
 
     /* Use the system localtime() if time_t is small enough */
-    if( SHOULD_USE_SYSTEM_LOCALTIME(*time) ) {
+    if (use_system) {
         safe_time = (time_t)*time;
 
         TIME64_TRACE1("Using system localtime for %lld\n", *time);