Fix dangling path name from fstring

* parse.y (yycompile): make sure in advance that the `__FILE__`
  object shares a fstring, to get rid of dangling path name.
  Fixed up 53e9908d8afc7f03109b0aafd1698ab35f512b05.  [Bug #16041]

* vm_eval.c (eval_make_iseq): ditto.

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ruby/test_eval.rb b/test/ruby/test_eval.rb
index 49bb3305e4..3d6116edbc 100644
--- a/test/ruby/test_eval.rb
+++ b/test/ruby/test_eval.rb
@@ -498,6 +498,17 @@ class TestEval < Test::Unit::TestCase
     }, '[Bug #10368]'
   end
 
+  def test_gced_eval_location
+    Dir.mktmpdir do |d|
+      File.write("#{d}/2.rb", "")
+      File.write("#{d}/1.rb", "require_relative '2'\n""__FILE__\n")
+      file = "1.rb"
+      path = File.expand_path(file, d)
+      assert_equal(path, eval(File.read(path), nil, File.expand_path(file, d)))
+      assert_equal(path, eval(File.read(path), nil, File.expand_path(file, d)))
+    end
+  end
+
   def orphan_proc
     proc {eval("return :ng")}
   end