YJIT: Fix `yield` into block with >=30 locals on ARM

It's a register spill issue. Fix by moving the Qnil fill snippet to
after registers are released.

[Bug #19299]

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_yjit.rb b/test/ruby/test_yjit.rb
index 0ad443c885..1a552a1074 100644
--- a/test/ruby/test_yjit.rb
+++ b/test/ruby/test_yjit.rb
@@ -1028,6 +1028,20 @@ class TestYJIT < Test::Unit::TestCase
     RUBY
   end
 
+  def test_invokeblock_many_locals
+    # [Bug #19299]
+    assert_compiles(<<~'RUBY', result: :ok)
+      def foo
+        yield
+      end
+
+      foo do
+        a1=a2=a3=a4=a5=a6=a7=a8=a9=a10=a11=a12=a13=a14=a15=a16=a17=a18=a19=a20=a21=a22=a23=a24=a25=a26=a27=a28=a29=a30 = :ok
+        a30
+      end
+    RUBY
+  end
+
   private
 
   def code_gc_helpers