parse import expressions correctly (#5551)

fixes #5550

lib/parse.js

@@ -858,13 +858,11 @@ function parse($TEXT, options) {
                 next();
                 return export_();
               case "import":
-                if (!toplevel && options.module !== "") unexpected();
                 var token = peek();
-                if (!(token.type == "punc" && /^[(.]$/.test(token.value))) {
-                    next();
-                    return import_();
-                }
-                break;
+                if (token.type == "punc" && /^[(.]$/.test(token.value)) break;
+                if (!toplevel && options.module !== "") unexpected();
+                next();
+                return import_();
               case "let":
                 if (is_vardefs()) {
                     next();

test/compress/imports.js

@@ -227,3 +227,33 @@ issue_4708_2: {
         import a from "foo";
     }
 }
+
+pr_5550_1: {
+    input: {
+        if (console)
+            import("foo");
+        else
+            import.meta.url.replace(/bar/g, console.log);
+    }
+    expect: {
+        if (console)
+            import("foo");
+        else
+            import.meta.url.replace(/bar/g, console.log);
+    }
+}
+
+pr_5550_2: {
+    input: {
+        L: {
+            import("foo");
+            import.meta.url.replace(/bar/g, console.log);
+        }
+    }
+    expect: {
+        L: {
+            import("foo");
+            import.meta.url.replace(/bar/g, console.log);
+        }
+    }
+}