pythongh-106581: Honor 'always_exits' in write_components() (python#1…

…09338) I must have overlooked this when refactoring the code generator. The Tier 1 interpreter contained a few silly things like ``` goto resume_frame; STACK_SHRINK(1); ``` (and other variations, some where the unconditional `goto` was hidden in a macro).
vstinner · Sep 13, 2023 · a102880 · a102880
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diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
diff --git a/Tools/cases_generator/stacking.py b/Tools/cases_generator/stacking.py
@@ -457,7 +457,7 @@ def write_components(
             with out.block(""):
                 mgr.instr.write_body(out, -4, mgr.active_caches, tier)
 
-        if mgr is managers[-1] and not next_instr_is_set:
+        if mgr is managers[-1] and not next_instr_is_set and not mgr.instr.always_exits:
             # Adjust the stack to its final depth, *then* write the
             # pokes for all preceding uops.
             # Note that for array output effects we may still write