Cannot step in debugger if line # doesn't change

[jpe]

BPO	765624

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2004-03-22.19:35:53.000>
created_at = <Date 2003-07-03.21:42:40.000>
labels = ['interpreter-core']
title = "Cannot step in debugger if line # doesn't change"
updated_at = <Date 2004-03-22.19:35:53.000>
user = 'https://bugs.python.org/jpe'

bugs.python.org fields:

activity = <Date 2004-03-22.19:35:53.000>
actor = 'nbastin'
assignee = 'none'
closed = True
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2003-07-03.21:42:40.000>
creator = 'jpe'
dependencies = []
files = []
hgrepos = []
issue_num = 765624
keywords = []
message_count = 2.0
messages = ['16858', '16859']
nosy_count = 2.0
nosy_names = ['jpe', 'nbastin']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue765624'
versions = ['Python 2.3']

[jpe]

The debugger trace function is not called with a line
event if the line number executed doesn't change. This
happens when an infinite looop containing a single line
is executed, such as:

while 1:
     print 1

A slightly more realistic example would be something
like the following:

        items = range(0, 10)
        try:
                i = 0
                while 1:
                        print items[i]; i += 1
        except IndexError:
                pass

[nbastin]

Logged In: YES
user_id=430343

Fixed in:

ceval.c 2.386
test_trace.py 1.12