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bpo-44616: Mark all clean up instructions at end of named exception block as artificial (GH-27109) (GH-27135)

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(cherry picked from commit e5862f79c1)
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Mark Shannon 2021-07-14 11:43:56 +01:00 • committed by GitHub
parent 7e1d6308a3
commit 794ff7d505
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2 changed files with 25 additions and 3 deletions
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Python/compile.c
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@ -3220,10 +3220,10 @@ compiler_try_except(struct compiler *c, stmt_ty s)
/* second # body */
VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
compiler_pop_fblock(c, HANDLER_CLEANUP, cleanup_body);
ADDOP(c, POP_BLOCK);
ADDOP(c, POP_EXCEPT);
/* name = None; del name; # Mark as artificial */
c->u->u_lineno = -1;
ADDOP(c, POP_BLOCK);
ADDOP(c, POP_EXCEPT);
ADDOP_LOAD_CONST(c, Py_None);
compiler_nameop(c, handler->v.ExceptHandler.name, Store);
compiler_nameop(c, handler->v.ExceptHandler.name, Del);
@ -3254,7 +3254,6 @@ compiler_try_except(struct compiler *c, stmt_ty s)
return 0;
VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
compiler_pop_fblock(c, HANDLER_CLEANUP, cleanup_body);
/* name = None; del name; # Mark as artificial */
c->u->u_lineno = -1;
ADDOP(c, POP_EXCEPT);
ADDOP_JUMP(c, JUMP_FORWARD, end);