mjit.c: disable compaction on empty queue w/ --jit-wait

When --jit-wait is specified, `unit_queue.length` is always 0 and it's
not a good metric.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/mjit.c b/mjit.c
index a45e155c4f..ef1a364ddd 100644
--- a/mjit.c
+++ b/mjit.c
@@ -1219,7 +1219,8 @@ worker(void)
 
 #ifndef _MSC_VER
             /* Combine .o files to one .so and reload all jit_func to improve memory locality */
-            if ((unit_queue.length == 0 && active_units.length > 1) || active_units.length == mjit_opts.max_cache_size) {
+            if ((!mjit_opts.wait && unit_queue.length == 0 && active_units.length > 1)
+                || active_units.length == mjit_opts.max_cache_size) {
                 compact_all_jit_code();
             }
 #endif