Fix CI typing inconsistencies and macOS Clang C11 label extensions

Author: rodrigobnogueira

multidict/_multidict.c

@@ -124,7 +124,7 @@ _multidict_extend(MultiDictObject* self, PyObject* arg, PyObject* kwds,
     ASSERT_CONSISTENT(self, false);
     Py_CLEAR(seq);
     return 0;
-fail:
+fail:;
     if (op != Extend) {  // Update or Merge
         // Cleanup soft-deleted items
         md_post_update(self);
@@ -216,7 +216,7 @@ _multidict_clone_fast(mod_state* state, MultiDictObject* self, bool is_ci,
             goto done;
         }
     }
-done:
+done:;
     return ret;
 }
 
@@ -238,7 +238,7 @@ multidict_copy(MultiDictObject* self)
     }
     ASSERT_CONSISTENT(new_md, false);
     return ret;
-fail:
+fail:;
     Py_XDECREF(ret);
     return NULL;
 }
@@ -403,7 +403,7 @@ multidict_reduce(MultiDictObject* self)
     }
 
     result = PyTuple_Pack(2, Py_TYPE(self), args);
-ret:
+ret:;
     Py_XDECREF(args);
     Py_XDECREF(items_list);
     Py_XDECREF(items);
@@ -618,9 +618,9 @@ multidict_tp_init(MultiDictObject* self, PyObject* args, PyObject* kwds)
         goto cs_done;
     }
     ret = 0;
-cs_done:
+cs_done:;
     Py_END_CRITICAL_SECTION();
-done:
+done:;
     Py_CLEAR(arg);
     if (ret == 0) {
         ASSERT_CONSISTENT(self, false);
@@ -668,15 +668,15 @@ multidict_extend(MultiDictObject* self, PyObject* args, PyObject* kwds)
         failed = 1;
         goto cs_done;
     }
-cs_done:
+cs_done:;
     Py_END_CRITICAL_SECTION();
     Py_CLEAR(arg);
     if (failed) {
         return NULL;
     }
     ASSERT_CONSISTENT(self, false);
     Py_RETURN_NONE;
-fail:
+fail:;
     Py_CLEAR(arg);
     return NULL;
 }
@@ -883,15 +883,15 @@ multidict_update(MultiDictObject* self, PyObject* args, PyObject* kwds)
         failed = 1;
         goto cs_done;
     }
-cs_done:
+cs_done:;
     Py_END_CRITICAL_SECTION();
     Py_CLEAR(arg);
     if (failed) {
         return NULL;
     }
     ASSERT_CONSISTENT(self, false);
     Py_RETURN_NONE;
-fail:
+fail:;
     Py_CLEAR(arg);
     return NULL;
 }
@@ -915,15 +915,15 @@ multidict_merge(MultiDictObject* self, PyObject* args, PyObject* kwds)
         failed = 1;
         goto cs_done;
     }
-cs_done:
+cs_done:;
     Py_END_CRITICAL_SECTION();
     Py_CLEAR(arg);
     if (failed) {
         return NULL;
     }
     ASSERT_CONSISTENT(self, false);
     Py_RETURN_NONE;
-fail:
+fail:;
     Py_CLEAR(arg);
     return NULL;
 }
@@ -1139,9 +1139,9 @@ cimultidict_tp_init(MultiDictObject* self, PyObject* args, PyObject* kwds)
         goto cs_done;
     }
     ret = 0;
-cs_done:
+cs_done:;
     Py_END_CRITICAL_SECTION();
-done:
+done:;
     Py_CLEAR(arg);
     if (ret == 0) {
         ASSERT_CONSISTENT(self, false);
@@ -1187,7 +1187,7 @@ multidict_proxy_tp_init(MultiDictProxyObject* self, PyObject* args,
     if (arg == NULL) {
         PyErr_Format(
             PyExc_TypeError,
-            "__init__() missing 1 required positional argument: 'arg'");
+            "__init__() missing 1 required positional argument:; 'arg'");
         return -1;
     }
     if (kwds != NULL) {
@@ -1472,7 +1472,7 @@ cimultidict_proxy_tp_init(MultiDictProxyObject* self, PyObject* args,
     if (arg == NULL) {
         PyErr_Format(
             PyExc_TypeError,
-            "__init__() missing 1 required positional argument: 'arg'");
+            "__init__() missing 1 required positional argument:; 'arg'");
         return -1;
     }
     if (kwds != NULL) {
@@ -1713,7 +1713,7 @@ module_exec(PyObject* mod)
     }
 
     return 0;
-fail:
+fail:;
     Py_CLEAR(tpl);
     return -1;
 }