1 files changed, 4 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 531bf29810..345622fd4e 100644
--- a/gc.c
+++ b/gc.c
@@ -9398,6 +9398,10 @@ rb_memerror(void)
     rb_objspace_t *objspace = rb_objspace_of(rb_ec_vm_ptr(ec));
     VALUE exc;
 
+    // Print out pid, sleep, so you can attach debugger to see what went wrong:
+    // fprintf(stderr, "rb_memerror pid=%d\n", getpid());
+    // sleep(60);
+
     if (during_gc) gc_exit(objspace, "rb_memerror");
 
     exc = nomem_error;