Make Coverage suspendable (#4856)

* Make Coverage suspendable

Add `Coverage.suspend`, `Coverage.resume` and some methods.

[Feature #18176] [ruby-core:105321]

1 files changed, 2 insertions, 0 deletions

diff --git a/vm.c b/vm.c
index a18b2140d3..7f3376ce68 100644
--- a/vm.c
+++ b/vm.c
@@ -2516,6 +2516,7 @@ rb_vm_update_references(void *ptr)
 
         if (vm->coverages) {
             vm->coverages = rb_gc_location(vm->coverages);
+            vm->me2counter = rb_gc_location(vm->me2counter);
         }
     }
 }
@@ -2602,6 +2603,7 @@ rb_vm_mark(void *ptr)
         rb_gc_mark_movable(vm->top_self);
         rb_gc_mark_movable(vm->orig_progname);
         RUBY_MARK_MOVABLE_UNLESS_NULL(vm->coverages);
+        RUBY_MARK_MOVABLE_UNLESS_NULL(vm->me2counter);
         /* Prevent classes from moving */
         rb_mark_tbl(vm->defined_module_hash);