conditionally unwrapping while loops

compiler/hir/hir.odin

@@ -229,12 +229,12 @@ Stmt :: struct {
 	// by computing the target address once, loading its current value, applying
 	// the operation to `expr`, and storing through the original address.
 	assignment_op: Assignment_Op,
-	// Boolean `If` statements use `expr` as the condition. Conditional unwraps
-	// use `unwraps` for the ordered optional expressions and capture locals, and
-	// `guard` for the optional boolean checked after every unwrap succeeds.
-	// Both forms use `then_body`/`else_body` as the branch statement lists.
-	// `While` statements use `expr` as the condition, `then_body` as the loop
-	// body, and `update` as the optional post-iteration statement.
+	// Boolean `If` and `While` statements use `expr` as the condition.
+	// Conditional unwraps use `unwraps` for the ordered optional expressions
+	// and capture locals, and `guard` for the optional boolean checked after
+	// every unwrap succeeds. `If` uses `then_body`/`else_body` as its branches.
+	// `While` uses `then_body` as its loop body and `update` as the optional
+	// post-iteration statement.
 	// `For` statements use `expr` as the iterable, `local` as the item capture,
 	// `index_local` as the optional sequence index, and `iterator_type` as the
 	// normalized many-item pointer type for sequence iteration.