Should raise LocalJumpError when no block given

2 files changed, 11 insertions, 0 deletions

diff --git a/src/vm.c b/src/vm.c
index 6f8c5109f..db4ca5cba 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1732,6 +1732,10 @@ RETRY_TRY_BLOCK:
         }
         stack = e->stack + 1;
       }
+      if (mrb_nil_p(stack[m1+r+m2])) {
+        localjump_error(mrb, LOCALJUMP_ERROR_YIELD);
+        goto L_RAISE;
+      }
       regs[a] = stack[m1+r+m2];
       NEXT;
     }
diff --git a/test/t/syntax.rb b/test/t/syntax.rb
index 4ba171f9a..25ae09828 100644
--- a/test/t/syntax.rb
+++ b/test/t/syntax.rb
@@ -38,6 +38,13 @@ assert('yield', '11.3.5') do
   assert_raise LocalJumpError do
     yield
   end
+  assert_raise LocalJumpError do
+    o = Object.new
+    def o.foo
+      yield
+    end
+    o.foo
+  end
 end
 
 assert('Abbreviated variable assignment', '11.4.2.3.2') do