diff options
Diffstat (limited to 'vm_backtrace.c')
| -rw-r--r-- | vm_backtrace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c index 6264082a3f..9a041c4c2c 100644 --- a/vm_backtrace.c +++ b/vm_backtrace.c @@ -57,8 +57,11 @@ calc_pos(const rb_iseq_t *iseq, const VALUE *pc, int *lineno, int *node_id) VM_ASSERT(ISEQ_BODY(iseq)->iseq_size); ptrdiff_t n = pc - ISEQ_BODY(iseq)->iseq_encoded; - VM_ASSERT(n <= ISEQ_BODY(iseq)->iseq_size); VM_ASSERT(n >= 0); +#if SIZEOF_PTRDIFF_T > SIZEOF_INT + VM_ASSERT(n <= (ptrdiff_t)UINT_MAX); +#endif + VM_ASSERT((unsigned int)n <= ISEQ_BODY(iseq)->iseq_size); ASSUME(n >= 0); size_t pos = n; /* no overflow */ if (LIKELY(pos)) { |