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Revert "GH-128914: Remove conditional stack effects from bytecodes.c and the code generators (GH-128918)" (GH-129202)

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The commit introduced a ~2.5-3% regression in the free threading build.

This reverts commit ab61d3f430.
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Sam Gross 2025-01-23 04:26:25 -05:00 • committed by GitHub
parent d7d066c3ab
commit a10f99375e
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44 changed files with 1679 additions and 1460 deletions
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Lib/test/test__opcode.py
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@ -65,7 +65,8 @@ class OpListTests(unittest.TestCase):
class StackEffectTests(unittest.TestCase):
def test_stack_effect(self):
self.assertEqual(stack_effect(dis.opmap['POP_TOP']), -1)
self.assertEqual(stack_effect(dis.opmap['BUILD_SLICE'], 2), -1)
self.assertEqual(stack_effect(dis.opmap['BUILD_SLICE'], 0), -1)
self.assertEqual(stack_effect(dis.opmap['BUILD_SLICE'], 1), -1)
self.assertEqual(stack_effect(dis.opmap['BUILD_SLICE'], 3), -2)
self.assertRaises(ValueError, stack_effect, 30000)
# All defined opcodes