Revert "Don't reset line coverage for evaled code. (#8330)"

This reverts commit 7e0f5df2f99693267d61636d23da47f79924e9d5.

https://bugs.ruby-lang.org/issues/19857#note-7

2 files changed, 1 insertions, 14 deletions

diff --git a/compile.c b/compile.c
index ba78040048..4d344fff9c 100644
--- a/compile.c
+++ b/compile.c
@@ -2336,8 +2336,7 @@ iseq_set_sequence(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
                         !(rb_get_coverage_mode() & COVERAGE_TARGET_ONESHOT_LINES)) {
                         int line = iobj->insn_info.line_no - 1;
                         if (line >= 0 && line < RARRAY_LEN(ISEQ_LINE_COVERAGE(iseq))) {
-                            if (RARRAY_AREF(ISEQ_LINE_COVERAGE(iseq), line) == Qnil)
-                                RARRAY_ASET(ISEQ_LINE_COVERAGE(iseq), line, INT2FIX(0));
+                            RARRAY_ASET(ISEQ_LINE_COVERAGE(iseq), line, INT2FIX(0));
                         }
                     }
                     if (ISEQ_BRANCH_COVERAGE(iseq) && (events & RUBY_EVENT_COVERAGE_BRANCH)) {
diff --git a/test/coverage/test_coverage.rb b/test/coverage/test_coverage.rb
index e4655119b7..6afef8ce1b 100644
--- a/test/coverage/test_coverage.rb
+++ b/test/coverage/test_coverage.rb
@@ -181,18 +181,6 @@ class TestCoverage < Test::Unit::TestCase
     end;
   end
 
-  def test_eval_coverage_repeated
-    assert_in_out_err(%w[-rcoverage], <<-"end;", ["[3]"], [])
-      Coverage.start(eval: true, lines: true)
-
-      3.times do
-        eval("Object.new", nil, "test.rb")
-      end
-
-      p Coverage.result["test.rb"][:lines]
-    end;
-  end
-
   def test_coverage_supported
     assert Coverage.supported?(:lines)
     assert Coverage.supported?(:oneshot_lines)