-m trace --count missing lines

Bug report

Bug description:

def x() -> tuple[
        int,
]:
    return (1, 'fred')

x()

python 3.13 (good):

xju@xjutv:~/tmp$ python3 --version
Python 3.13.1
xju@xjutv:~/tmp$ rm -f xxx.cover
xju@xjutv:~/tmp$ python3 -m trace --count -m xxx.py
xju@xjutv:~/tmp$ cat xxx.cover
    2: def x() -> tuple[
    1:         int,
       ]:
    1:     return (1, 'fred')
       
    1: x()

python 3.14 (bad):

xju@xjutv:~/tmp$ python3 --version
Python 3.14.2
xju@xjutv:~/tmp$ rm -f xxx.cover
xju@xjutv:~/tmp$ python3 -m trace --count -m xxx.py
xju@xjutv:~/tmp$ cat xxx.cover
    1: def x() -> tuple[
>>>>>>         int,
       ]:
    1:     return (1, 'fred')
       
    1: x()

... trace._get_executable_linenos returns the same in both 3.13 and 3.14; seems that Trace.run does not see that the type hint is "executed"? Could equally have trace._get_executable_linenos not report the type hint... they just need to agree.

Above is about the simplest example I came up with, but similar disagreement with class attribute hints like:

class X:
  a: int

... a: int is reported as "not covered".

CPython versions tested on:

3.14

Operating systems tested on:

Linux

Linked PRs

• gh-143161

使用 Python 程式碼片段重現差異，並比較 3.13 和 3.14 的 coverage 輸出。檢查 trace.Trace.run 和 trace._get_executable_linenos；報告指出它們對於已執行的註解存在不一致。完成標準是兩條路徑達成一致，並且包含 type hint 的行（包括類別屬性 hint）獲得一致的 coverage 結果。