Fix an incorrect auto-correct for Style/EvalWithLocation

changelog/fix_incorrect_autocorrect_for_style_eval_with_location.md

@@ -0,0 +1 @@
+* [#9616](https://github.com/rubocop/rubocop/pull/9616): Fix an incorrect auto-correct for `Style/EvalWithLocation` when using `#instance_eval` with a string argument in parentheses. ([@koic][])

lib/rubocop/cop/style/eval_with_location.rb

@@ -224,7 +224,7 @@ def add_offense_for_missing_location(node, code)
 
           register_offense(node) do |corrector|
             line_str = missing_line(node, code)
-            corrector.insert_after(node.loc.expression.end, ", __FILE__, #{line_str}")
+            corrector.insert_after(node.last_argument.source_range.end, ", __FILE__, #{line_str}")
           end
         end
 

spec/rubocop/cop/style/eval_with_location_spec.rb

@@ -159,6 +159,17 @@
     RUBY
   end
 
+  it 'registers an offense when using `#instance_eval` with a string argument in parentheses' do
+    expect_offense(<<~RUBY)
+      instance_eval('@foo = foo')
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Pass `__FILE__` and `__LINE__` to `instance_eval`.
+    RUBY
+
+    expect_correction(<<~RUBY)
+      instance_eval('@foo = foo', __FILE__, __LINE__)
+    RUBY
+  end
+
   it 'registers an offense when using `#class_eval` with an incorrect lineno' do
     expect_offense(<<~RUBY)
       C.class_eval <<-CODE, __FILE__, __LINE__