Suppress warnings

```
compiling ../mjit.c
In file included from ../mjit.c:28:
../mjit_worker.c:1270:33: warning: incompatible pointer to integer conversion passing 'const struct rb_callcache *' to parameter of type 'VALUE' (aka 'unsigned long') [-Wint-conversion]
            assert(BUILTIN_TYPE(cc) != T_MOVED);
                                ^~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
../include/ruby/internal/value_type.h:153:23: note: passing argument to parameter 'obj' here
RB_BUILTIN_TYPE(VALUE obj)
                      ^
In file included from ../mjit.c:28:
../mjit_worker.c:1271:33: warning: incompatible pointer to integer conversion passing 'const struct rb_callable_method_entry_struct *' to parameter of type 'VALUE' (aka 'unsigned long') [-Wint-conversion]
            assert(BUILTIN_TYPE(vm_cc_cme(cc)) != T_MOVED);
                                ^~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
../include/ruby/internal/value_type.h:153:23: note: passing argument to parameter 'obj' here
RB_BUILTIN_TYPE(VALUE obj)
                      ^
In file included from ../mjit.c:28:
../mjit_worker.c:1272:50: warning: incompatible pointer to integer conversion passing 'const struct rb_callcache *' to parameter of type 'VALUE' (aka 'unsigned long') [-Wint-conversion]
            assert(!rb_objspace_garbage_object_p(cc));
                                                 ^~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
../gc.h:128:40: note: passing argument to parameter 'obj' here
int rb_objspace_garbage_object_p(VALUE obj);
                                       ^
In file included from ../mjit.c:28:
../mjit_worker.c:1273:50: warning: incompatible pointer to integer conversion passing 'const struct rb_callable_method_entry_struct *' to parameter of type 'VALUE' (aka 'unsigned long') [-Wint-conversion]
            assert(!rb_objspace_garbage_object_p(vm_cc_cme(cc)));
                                                 ^~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
    (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0)
                        ^
../gc.h:128:40: note: passing argument to parameter 'obj' here
int rb_objspace_garbage_object_p(VALUE obj);
                                       ^
4 warnings generated.
```

1 files changed, 4 insertions, 4 deletions

diff --git a/mjit_worker.c b/mjit_worker.c
index 160b8cfe99..461b10f0ef 100644
--- a/mjit_worker.c
+++ b/mjit_worker.c
@@ -1267,10 +1267,10 @@ mjit_capture_cc_entries(const struct rb_iseq_constant_body *compiled_iseq, const
         const struct rb_callcache *cc = cc_entries[i];
 
         if (cc && vm_cc_markable(cc)) {
-            assert(BUILTIN_TYPE(cc) != T_MOVED);
-            assert(BUILTIN_TYPE(vm_cc_cme(cc)) != T_MOVED);
-            assert(!rb_objspace_garbage_object_p(cc));
-            assert(!rb_objspace_garbage_object_p(vm_cc_cme(cc)));
+            assert(BUILTIN_TYPE((VALUE)cc) != T_MOVED);
+            assert(BUILTIN_TYPE((VALUE)vm_cc_cme(cc)) != T_MOVED);
+            assert(!rb_objspace_garbage_object_p((VALUE)cc));
+            assert(!rb_objspace_garbage_object_p((VALUE)vm_cc_cme(cc)));
         }
     }