From 4c53e63cc966f98e141a09bc435b9f9c713b152d Mon Sep 17 00:00:00 2001 From: Pablo Galindo Date: Fri, 10 Jan 2020 09:24:22 +0000 Subject: bpo-39166: Fix trace of last iteration of async for loops (#17800) --- Python/ceval.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'Python/ceval.c') diff --git a/Python/ceval.c b/Python/ceval.c index bd9454b281..3bbd0ca966 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -3610,11 +3610,15 @@ exception_unwind: PUSH(val); PUSH(exc); JUMPTO(handler); - if (_Py_TracingPossible(ceval) && - ((f->f_lasti < instr_lb || f->f_lasti >= instr_ub) || - !(f->f_lasti == instr_lb || f->f_lasti < instr_prev))) { - /* Make sure that we trace line after exception */ - instr_prev = INT_MAX; + if (_Py_TracingPossible(ceval)) { + int needs_new_execution_window = (f->f_lasti < instr_lb || f->f_lasti >= instr_ub); + int needs_line_update = (f->f_lasti == instr_lb || f->f_lasti < instr_prev); + /* Make sure that we trace line after exception if we are in a new execution + * window or we don't need a line update and we are not in the first instruction + * of the line. */ + if (needs_new_execution_window || (!needs_line_update && instr_lb > 0)) { + instr_prev = INT_MAX; + } } /* Resume normal execution */ goto main_loop; -- cgit v1.2.1