Move stack pointer assertions to PyUnstable_ThreadState_ResetStack()

Author: vstinner

Python/ceval.c

@@ -463,13 +463,6 @@ tstate_set_stack(PyThreadState *tstate,
     // Sanity checks
     assert(ts->c_stack_hard_limit <= ts->c_stack_soft_limit);
     assert(ts->c_stack_soft_limit < ts->c_stack_top);
-
-    // Test the stack pointer
-#if !defined(NDEBUG) && !defined(__wasi__)
-    uintptr_t here_addr = _Py_get_machine_stack_pointer();
-    assert(ts->c_stack_soft_limit < here_addr);
-    assert(here_addr < ts->c_stack_top);
-#endif
 }
 
 
@@ -556,6 +549,13 @@ PyUnstable_ThreadState_ResetStack(PyThreadState *tstate)
     tstate_set_stack(tstate, (void*)start, size);
     ts->c_stack_init_start = start;
     ts->c_stack_init_size = size;
+
+    // Test the stack pointer
+#if !defined(NDEBUG) && !defined(__wasi__)
+    uintptr_t here_addr = _Py_get_machine_stack_pointer();
+    assert(ts->c_stack_soft_limit < here_addr);
+    assert(here_addr < ts->c_stack_top);
+#endif
 }