[PATCH v3] libstdc++: fix pointer type exception catch [PR105387]

[Jonathan Wakely]

On Wed, 25 May 2022 at 03:30, Jakob Hasse via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
> Hello,
>
> two weeks ago I submitted the second version of the patch PR105387 for the bug 105387. Now I added a pointer-to-member exception test just to make sure that it doesn't break in case RTTI is enabled. The test is disabled if RTTI is disabled. I didn't receive any feedback so far regarding the second version of the patch. Is there any issue preventing acceptance?

Just a lack of time to review it properly.

It's on my list.


>
> I ran the conformance tests on libstdc++v3 by running
> make -j 18 check RUNTESTFLAGS=conformance.exp
>
> Results for the current version (only difference is the added pointer-to-member test):
>
> Without RTTI before applying patch:
> === libstdc++ Summary ===
>
> # of expected passes 14560
> # of unexpected failures 5
> # of expected failures 95
> # of unsupported tests 702
>
> Without RTTI after applying patch:
> === libstdc++ Summary ===
>
> # of expected passes 14562
> # of unexpected failures 5
> # of expected failures 95
> # of unsupported tests 703
>
> With RTTI before applying patch:
> === libstdc++ Summary ===
>
> # of expected passes 14598
> # of unexpected failures 2
> # of expected failures 95
> # of unsupported tests 683
>
> With RTTI after applying patch:
> === libstdc++ Summary ===
>
> # of expected passes 14602
> # of unexpected failures 2
> # of expected failures 95
> # of unsupported tests 683
>
> Given that the pointer-to-member test is disabled when RTTI is disabled, the results look logical to me.
>