Cast via `uintptr_t` function pointer between object pointer

- ISO C forbids conversion of function pointer to object pointer type
- ISO C forbids conversion of object pointer to function pointer type

1 files changed, 1 insertions, 1 deletions

diff --git a/compile.c b/compile.c
index 5434a0cf05..6e78b07518 100644
--- a/compile.c
+++ b/compile.c
@@ -9141,7 +9141,7 @@ compile_builtin_function_call(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NOD
 
         if (cconst) {
             typedef VALUE(*builtin_func0)(void *, VALUE);
-            VALUE const_val = (*(builtin_func0)bf->func_ptr)(NULL, Qnil);
+            VALUE const_val = (*(builtin_func0)(uintptr_t)bf->func_ptr)(NULL, Qnil);
             ADD_INSN1(ret, line_node, putobject, const_val);
             return COMPILE_OK;
         }