_mjit_compile_invokebuiltin: sp_inc can be negative
Was my bad to assume sp_inc was positive. Real criteria is the calculated sp is non-negative. We have to assert that.
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@ -11,7 +11,7 @@
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% end
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rb_snum_t sp_inc = <%= insn.call_attribute('sp_inc') %>;
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unsigned sp = b->stack_size + (unsigned)sp_inc;
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VM_ASSERT(sp_inc >= 0);
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VM_ASSERT(b->stack_size > -sp_inc);
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VM_ASSERT(sp_inc < UINT_MAX - b->stack_size);
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if (bf->compiler) {
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