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Suppress -Wsign-compare warning

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Nobuyoshi Nakada 2023-03-23 21:51:18 +09:00
parent 310af50c3b
commit b738cb01b6
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1 changed files with 4 additions and 1 deletions
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vm_backtrace.c
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@ -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); VM_ASSERT(ISEQ_BODY(iseq)->iseq_size);
ptrdiff_t n = pc - ISEQ_BODY(iseq)->iseq_encoded; ptrdiff_t n = pc - ISEQ_BODY(iseq)->iseq_encoded;
VM_ASSERT(n <= ISEQ_BODY(iseq)->iseq_size);
VM_ASSERT(n >= 0); 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); ASSUME(n >= 0);
size_t pos = n; /* no overflow */ size_t pos = n; /* no overflow */
if (LIKELY(pos)) { if (LIKELY(pos)) {