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gh-134889: Fix handling of a few opcodes when optimizing LOAD_FAST (#134958)

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We were incorrectly handling a few opcodes that leave their operands on the stack. Treat all of these conservatively; assume that they always leave operands on the stack.
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mpage 2025-06-04 16:07:58 -07:00 • committed by GitHub
parent e598eecf4c
commit 6b77af257c
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5 changed files with 117 additions and 2 deletions
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Lib/test/test_dis.py
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@ -606,7 +606,7 @@ dis_asyncwith = """\
POP_TOP
L1: RESUME 0
%4d LOAD_FAST_BORROW 0 (c)
%4d LOAD_FAST 0 (c)
COPY 1
LOAD_SPECIAL 3 (__aexit__)
SWAP 2