Merge branch 'trunk' into new_num_layer

compiler/module/src/low_level.rs

@@ -31,6 +31,8 @@ pub enum LowLevel {
     NumAddWrap,
     NumAddChecked,
     NumSub,
+    NumSubWrap,
+    NumSubChecked,
     NumMul,
     NumGt,
     NumGte,

compiler/module/src/symbol.rs

@@ -822,6 +822,8 @@ define_builtins! {
         79 NUM_AT_BINARY32: "@Binary32"
         80 NUM_BINARY32: "Binary32" imported
         81 NUM_BITWISE_AND: "bitwiseAnd"
+        82 NUM_SUB_WRAP: "subWrap"
+        83 NUM_SUB_CHECKED: "subChecked"
     }
     2 BOOL: "Bool" => {
         0 BOOL_BOOL: "Bool" imported // the Bool.Bool type alias