[Bug gcov-profile/93680] [GCOV] "do-while" structure in case statement leads to incorrect code coverage

[yangyibiao at nju dot edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93680

Yibiao Yang <yangyibiao at nju dot edu.cn> changed:

           What    |Removed                     |Added
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                 CC|                            |yangyibiao at nju dot edu.cn

--- Comment #3 from Yibiao Yang <yangyibiao at nju dot edu.cn> ---
(In reply to Sunil Kumar from comment #2)
> I have executed same code in gcc 7.4.0 and i do not see the same behaviour.
> The case labels are properly marked as executed 5 times. please can you
> confirm this behaviour. And also the issues which are open items in gcov
> bugzilla list and reported in later gcc 7.4.0 version will those are
> applicable to gcc 7.4.0 ?

I do not check whether this problem is in gcc 7.4.0. This problem is found in
gcc version 9.2.0 (GCC). I re-check it in the trunk version and have the same
behavior as in gcc 9.2.0.