Tidy up

Author: markshannon

Doc/library/dis.rst

@@ -1757,7 +1757,7 @@ iterations of the loop.
 
    Checks the eval breaker and performs periodic tasks if the eval breaker is set.
    Tasks inlcude switching threads and performing GC amongst others.
-   All :opcode:`CALL` instructions must be followed by opcode:`CHECK_PERIODIC`.
+   All :opcode:`CALL` instructions must be followed by :opcode:`CHECK_PERIODIC`.
 
    .. versionadded:: 3.14
 

Python/optimizer_analysis.c

@@ -502,7 +502,6 @@ optimize_uops(
 #include "optimizer_cases.c.h"
 
             default:
-                assert(0);
                 DPRINTF(1, "\nUnknown opcode in abstract interpreter\n");
                 Py_UNREACHABLE();
         }

Python/specialize.c

@@ -2043,12 +2043,10 @@ specialize_method_descriptor(PyMethodDescrObject *descr, _Py_CODEUNIT *instr,
             }
             PyInterpreterState *interp = _PyInterpreterState_GET();
             PyObject *list_append = interp->callable_cache.list_append;
-            _Py_CODEUNIT next = instr[INLINE_CACHE_ENTRIES_CALL + 1];
-            bool check = (next.op.code == CHECK_PERIODIC);
-            _Py_CODEUNIT after = instr[INLINE_CACHE_ENTRIES_CALL + 2];
-            bool pop = (after.op.code == POP_TOP);
+            assert(instr[INLINE_CACHE_ENTRIES_CALL + 1].op.code == CHECK_PERIODIC);
+            bool pop = (instr[INLINE_CACHE_ENTRIES_CALL + 2].op.code == POP_TOP);
             int oparg = instr->op.arg;
-            if ((PyObject *)descr == list_append && oparg == 1 && check && pop) {
+            if ((PyObject *)descr == list_append && oparg == 1 && pop) {
                 specialize(instr, CALL_LIST_APPEND);
                 return 0;
             }