fixes bootstrapping

lib/system.nim

@@ -193,6 +193,8 @@ when defined(nimNewShared):
     `shared`* {.magic: "Shared".}
     guarded* {.magic: "Guarded".}
 
+include "system/inclrtl"
+
 const NoFakeVars* = defined(NimrodVM) ## true if the backend doesn't support \
   ## "fake variables" like 'var EBADF {.importc.}: cint'.
 
@@ -1027,8 +1029,6 @@ template sysAssert(cond: bool, msg: string) =
       echo "[SYSASSERT] ", msg
       quit 1
 
-include "system/inclrtl"
-
 when not defined(JS) and not defined(nimrodVm) and hostOS != "standalone":
   include "system/cgprocs"
 

lib/system/sysspawn.nim

@@ -121,6 +121,7 @@ proc slave(w: ptr Worker) {.thread.} =
     signal(gSomeReady)
     await(w.taskArrived)
     assert(not w.ready)
+    # shield against spurious wakeups:
     if w.data != nil:
       w.f(w, w.data)
       w.data = nil