merge revision(s) 2c93c554019ebdc394d3c51c6d925620d3005f84,f5ea43a2e61789357e9c4b374b4bc6756abeae17: [Backport #19360]

	Ensure main file has default coverage if required. (#7169)

	* Extract common code for coverage setup.
	---
	 iseq.c | 13 +++++++++++--
	 1 file changed, 11 insertions(+), 2 deletions(-)

	More coverage tests & specs. (#7171)

	* Add spec for eval and line coverage.

	* Add test for main file coverage.
	---
	 spec/ruby/library/coverage/start_spec.rb | 8 +++++++-
	 test/coverage/autostart.rb               | 2 ++
	 test/coverage/main.rb                    | 1 +
	 test/coverage/test_coverage.rb           | 7 +++++++
	 4 files changed, 17 insertions(+), 1 deletion(-)
	 create mode 100644 test/coverage/autostart.rb
	 create mode 100644 test/coverage/main.rb

1 files changed, 1 insertions, 1 deletions

diff --git a/version.h b/version.h
index fb6a28ab79..86da3056a3 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 20
+#define RUBY_PATCHLEVEL 21
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"