builder: propagate value_types and value_origin_newbox in pin_to_slot (stabilize rewrite/type inference across pin/PHI)

This commit is contained in:
nyash-codex
2025-09-26 14:47:52 +09:00
parent cdf826cbe7
commit fcf8042b06

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@ -218,6 +218,13 @@ impl super::MirBuilder {
if super::utils::builder_debug_enabled() || std::env::var("NYASH_PIN_TRACE").ok().as_deref() == Some("1") {
super::utils::builder_debug_log(&format!("pin slot={} src={} dst={}", slot_name, v.0, dst.0));
}
// Propagate lightweight metadata so downstream resolution/type inference remains stable
if let Some(t) = self.value_types.get(&v).cloned() {
self.value_types.insert(dst, t);
}
if let Some(cls) = self.value_origin_newbox.get(&v).cloned() {
self.value_origin_newbox.insert(dst, cls);
}
self.variable_map.insert(slot_name, dst);
Ok(dst)
}