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-rw-r--r--vm_insnhelper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index b4f2b83010..1d0b225dbd 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -41,13 +41,13 @@ vm_push_frame(rb_thread_t *th,
VALUE *sp,
int local_size,
const rb_method_entry_t *me,
- int stack_max)
+ size_t stack_max)
{
rb_control_frame_t *const cfp = th->cfp - 1;
int i;
/* check stack overflow */
- CHECK_VM_STACK_OVERFLOW0(cfp, sp, local_size + stack_max);
+ CHECK_VM_STACK_OVERFLOW0(cfp, sp, local_size + (int)stack_max);
th->cfp = cfp;