vm_core.h (iseq_unique_id): prefer uintptr_t instead of unsigned long

It produced a warning about type cast in LLP64 (i.e., windows).

1 files changed, 1 insertions, 1 deletions

diff --git a/iseq.c b/iseq.c
index 4298130b65..f5f8437882 100644
--- a/iseq.c
+++ b/iseq.c
@@ -427,7 +427,7 @@ rb_iseq_memsize(const rb_iseq_t *iseq)
     return size;
 }
 
-static unsigned long fresh_iseq_unique_id = 0; /* -- Remove In 3.0 -- */
+static uintptr_t fresh_iseq_unique_id = 0; /* -- Remove In 3.0 -- */
 
 struct rb_iseq_constant_body *
 rb_iseq_constant_body_alloc(void)