Revert "eval!"

This reverts commit 2630e7e.

crates/swc_ecma_minifier/src/compress/optimize/iife.rs

@@ -15,7 +15,7 @@ use crate::debug::dump;
 use crate::{
     compress::optimize::{util::Remapper, Ctx},
     mode::Mode,
-    util::{idents_captured_by, idents_used_by, make_number},
+    util::{contains_eval, idents_captured_by, idents_used_by, make_number},
 };
 
 /// Methods related to the option `negate_iife`.
@@ -730,11 +730,7 @@ where
 
         // Abort on eval.
         // See https://github.com/swc-project/swc/pull/6478
-        //
-        // We completetly abort on eval, because we cannot know whether a variable in
-        // upper scope will be afftected by eval.
-        // https://github.com/swc-project/swc/issues/6628
-        if self.data.top.has_eval_call {
+        if contains_eval(body, false) {
             log_abort!("iife: [x] Aborting because of eval");
             return false;
         }