ZJIT: Remove unnecessary as casts

Author: aidenfoxivey

zjit/src/hir.rs

@@ -2026,7 +2026,7 @@ impl Function {
             return true;
         }
         let frame_state = self.frame_state(state);
-        let iseq_insn_idx = frame_state.insn_idx as usize;
+        let iseq_insn_idx = frame_state.insn_idx;
         let Some(profiled_type) = self.profiled_type_of_at(val, iseq_insn_idx) else {
             return false;
         };

zjit/src/hir_type/mod.rs

@@ -252,7 +252,7 @@ impl Type {
             Const::CInt8(v) => Self::from_cint(types::CInt8, v as i64),
             Const::CInt16(v) => Self::from_cint(types::CInt16, v as i64),
             Const::CInt32(v) => Self::from_cint(types::CInt32, v as i64),
-            Const::CInt64(v) => Self::from_cint(types::CInt64, v as i64),
+            Const::CInt64(v) => Self::from_cint(types::CInt64, v),
             Const::CUInt8(v) => Self::from_cint(types::CUInt8, v as i64),
             Const::CUInt16(v) => Self::from_cint(types::CUInt16, v as i64),
             Const::CUInt32(v) => Self::from_cint(types::CUInt32, v as i64),