Assert base opcode in _Py_Specialize_ForIter

gvanrossum · gvanrossum · commit 329deadde1e1 · 2023-12-12T16:33:03.000-08:00
diff --git a/Python/specialize.c b/Python/specialize.c
@@ -2353,6 +2353,7 @@ int
 void
 _Py_Specialize_ForIter(PyObject *iter, _Py_CODEUNIT *instr, int oparg)
 {
+    assert(_PyOpcode_Deopt[instr->op.code] == FOR_ITER);
     assert(ENABLE_SPECIALIZATION);
     assert(_PyOpcode_Caches[FOR_ITER] == INLINE_CACHE_ENTRIES_FOR_ITER);
     _PyForIterCache *cache = (_PyForIterCache *)(instr + 1);

Original file line number	Diff line number	Diff line change
`@@ -2353,6 +2353,7 @@ int`
`2353`	`2353`	`void`
`2354`	`2354`	`_Py_Specialize_ForIter(PyObject iter, _Py_CODEUNIT instr, int oparg)`
`2355`	`2355`	`{`
	`2356`	`+ assert(_PyOpcode_Deopt[instr->op.code] == FOR_ITER);`
`2356`	`2357`	`assert(ENABLE_SPECIALIZATION);`
`2357`	`2358`	`assert(_PyOpcode_Caches[FOR_ITER] == INLINE_CACHE_ENTRIES_FOR_ITER);`
`2358`	`2359`	`_PyForIterCache cache = (_PyForIterCache )(instr + 1);`