From: Eric Wong <normalperson@...>
Date: 2018-10-30T01:36:42+00:00
Subject: [ruby-core:89626] Re: [Ruby trunk Bug#14867] Process.wait can wait for MJIT compiler process

> *sigh* reverted r65434
> None of these errors seem related, even
> http://mswinci.japaneast.cloudapp.azure.com/vc12-x64/ruby-trunk/log/20181030T003541Z.fail.html.gz

Trying r65437
```
diff --git a/9ee245cba9 b/13af9d182c
index 9ee245cba9..13af9d182c 100644
--- a/9ee245cba9
+++ b/13af9d182c
@@ -4294,7 +4294,9 @@ rb_spawn_process(struct rb_execarg *eargp, char *errmsg, size_t errmsg_buflen)
     rb_last_status_set((status & 0xff) << 8, 0);
     pid = 1;			/* dummy */
 # endif
-
+    if (eargp->waitpid_state) {
+        eargp->waitpid_state->pid = pid;
+    }
     rb_execarg_run_options(&sarg, NULL, errmsg, errmsg_buflen);
 #endif
     return pid;
```

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