Make sure we init root task before calling perm alloc

Author: udesou

src/init.c

@@ -775,13 +775,13 @@ JL_DLLEXPORT void jl_init_(jl_image_buf_t sysimage)
         // enable before creating the root task so it gets timings too.
         jl_atomic_fetch_add(&jl_task_metrics_enabled, 1);
     }
+    // warning: this changes `jl_current_task`, so be careful not to call that from this function
+    jl_task_t *ct = jl_init_root_task(ptls, stack_lo, stack_hi);
     // Initialize constant objects
     jl_nothing = jl_gc_permobj(0, jl_nothing_type, 0);
     jl_set_typetagof(jl_nothing, jl_nothing_tag, GC_OLD_MARKED);
     jl_init_box_caches();
     jl_init_common_symbols();
-    // warning: this changes `jl_current_task`, so be careful not to call that from this function
-    jl_task_t *ct = jl_init_root_task(ptls, stack_lo, stack_hi);
 #pragma GCC diagnostic pop
     JL_GC_PROMISE_ROOTED(ct);
     _finish_jl_init_(sysimage, ptls, ct);