ZJIT: Clean up RangeType (ruby#14627)

Author: tekknolagi

zjit/src/codegen.rs

@@ -1290,7 +1290,7 @@ fn gen_new_range(
     gen_prepare_non_leaf_call(jit, asm, state);
 
     // Call rb_range_new(low, high, flag)
-    asm_ccall!(asm, rb_range_new, low, high, (flag as i64).into())
+    asm_ccall!(asm, rb_range_new, low, high, (flag as i32).into())
 }
 
 fn gen_new_range_fixnum(

zjit/src/hir.rs

@@ -286,6 +286,7 @@ impl Const {
     }
 }
 
+#[derive(Clone, Copy)]
 pub enum RangeType {
     Inclusive = 0, // include the end value
     Exclusive = 1, // exclude the end value
@@ -306,14 +307,6 @@ impl std::fmt::Debug for RangeType {
     }
 }
 
-impl Clone for RangeType {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
-
-impl Copy for RangeType {}
-
 impl From<u32> for RangeType {
     fn from(flag: u32) -> Self {
         match flag {
@@ -324,12 +317,6 @@ impl From<u32> for RangeType {
     }
 }
 
-impl From<RangeType> for u32 {
-    fn from(range_type: RangeType) -> Self {
-        range_type as u32
-    }
-}
-
 /// Special regex backref symbol types
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum SpecialBackrefSymbol {