merge revision(s) 59956: [Backport #13705]

	vm.c: fix `cfp consistency error' which occurs
	when raising exception in bmethod call event

	* vm.c (invoke_bmethod): set FINISH flag just before calling vm_exec.
	  [ruby-dev:50162] [Bug #13705]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62651 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_settracefunc.rb

@@ -1745,4 +1745,25 @@ def test_break_with_rescue
                  tp_return_value(:f_break_in_rescue),
                  '[Bug #13369]'
   end
+
+  def test_trace_point_raising_exception_in_bmethod_call
+    bug13705 = '[ruby-dev:50162]'
+    assert_normal_exit %q{
+      define_method(:m) {}
+
+      tp = TracePoint.new(:call) do
+        raise ''
+      end
+
+      tap do
+        tap do
+          begin
+            tp.enable
+            m
+          rescue
+          end
+        end
+      end
+    }, bug13705
+  end
 end

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.4.4"
 #define RUBY_RELEASE_DATE "2018-03-04"
-#define RUBY_PATCHLEVEL 248
+#define RUBY_PATCHLEVEL 249
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 3

vm.c

@@ -980,7 +980,7 @@ invoke_bmethod(rb_thread_t *th, const rb_iseq_t *iseq, VALUE self, const struct
     int arg_size = iseq->body->param.size;
     VALUE ret;
 
-    vm_push_frame(th, iseq, type | VM_FRAME_FLAG_FINISH | VM_FRAME_FLAG_BMETHOD, self,
+    vm_push_frame(th, iseq, type | VM_FRAME_FLAG_BMETHOD, self,
 		  VM_GUARDED_PREV_EP(captured->ep),
 		  (VALUE)me,
 		  iseq->body->iseq_encoded + opt_pc,
@@ -989,6 +989,7 @@ invoke_bmethod(rb_thread_t *th, const rb_iseq_t *iseq, VALUE self, const struct
 
     RUBY_DTRACE_METHOD_ENTRY_HOOK(th, me->owner, me->def->original_id);
     EXEC_EVENT_HOOK(th, RUBY_EVENT_CALL, self, me->def->original_id, me->called_id, me->owner, Qnil);
+    VM_ENV_FLAGS_SET(th->cfp->ep, VM_FRAME_FLAG_FINISH);
     ret = vm_exec(th);
     EXEC_EVENT_HOOK(th, RUBY_EVENT_RETURN, self, me->def->original_id, me->called_id, me->owner, ret);
     RUBY_DTRACE_METHOD_RETURN_HOOK(th, me->owner, me->def->original_id);