merge revision(s) ae5458f228a5477383e9c00425d85d50a3867817: [Backport #18475]

	thread.c: Convert TAG_BREAK to a normal exception at thread top-level

	[Bug #18475]
	---
	 test/ruby/test_enum.rb | 11 +++++++++++
	 thread.c               |  3 +++
	 2 files changed, 14 insertions(+)

3 files changed, 15 insertions, 1 deletions

diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index f6375a4ffc..b0c43b9a7f 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -461,6 +461,17 @@ class TestEnumerable < Test::Unit::TestCase
       empty.first
       empty.block.call
     end;
+
+    bug18475 = '[ruby-dev:107059]'
+    assert_in_out_err([], <<-'end;', [], /unexpected break/, bug18475)
+      e = Enumerator.new do |g|
+        Thread.new do
+          g << 1
+        end.join
+      end
+
+      e.first
+    end;
   end
 
   def test_sort
diff --git a/thread.c b/thread.c
index 36723c6fc0..cf6e89327e 100644
--- a/thread.c
+++ b/thread.c
@@ -830,6 +830,9 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start)
     else {
         errinfo = th->ec->errinfo;
 
+        VALUE exc = rb_vm_make_jump_tag_but_local_jump(state, Qundef);
+        if (!NIL_P(exc)) errinfo = exc;
+
         if (state == TAG_FATAL) {
             if (th->invoke_type == thread_invoke_type_ractor_proc) {
                 rb_ractor_atexit(th->ec, Qnil);
diff --git a/version.h b/version.h
index 138f563d7d..7af99cc04a 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 7
+#define RUBY_PATCHLEVEL 8
 
 #define RUBY_RELEASE_YEAR 2022
 #define RUBY_RELEASE_MONTH 1