Bug 363893 - dynamic_cast error, type_info's (sic) should have public visibility
Summary: dynamic_cast error, type_info's (sic) should have public visibility
Status: RESOLVED WORKSFORME
Alias: None
Product: kdevelop
Classification: Applications
Component: general (show other bugs)
Version: git master
Platform: Compiled Sources macOS
: NOR normal
Target Milestone: ---
Assignee: kdevelop-bugs-null
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-06-03 11:51 UTC by RJVB
Modified: 2022-11-25 05:22 UTC (History)
0 users

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Description RJVB 2016-06-03 11:51:08 UTC
I'm not seeing these very often, so it took a while since I'v been asked to file a bug report about them before I actually could:

```
Jun  3 13:34:20 Portia.local kdevelop[92832]: dynamic_cast error 1: Both of the following type_info's should have public visibility.  At least one of them is hidden. N8KDevelop8IProblemE, 12ClangProblem.
Jun  3 13:35:11 Portia.local kdevelop[92832]: dynamic_cast error 1: Both of the following type_info's should have public visibility.  At least one of them is hidden. N8KDevelop8IProblemE, 12ClangProblem.
```

These correspond to classes `KDevelop::IProblem` and `ClangProblem`.

Reproducible: Sometimes

Steps to Reproduce:
1. Start KDevelop
2. use it and keep an eye on /var/log/system.log


Actual Results:  
Log entries about type_info visibility appear sporadically

Expected Results:  
No such warnings.

In this case it appears to be a benign warning, but in the past they were related to a dynamic_cast that actually failed.
I do need to point out that the clang parser keeps hogging the main thread on OS X, leading to frequent and extremely annoying UI freezes when editing code. A link between a (compensated) dynamic_cast failure of a ClangProblem and "falling back to solving it on the main thread" doesn't seem completely farfetched.
Comment 1 Justin Zobel 2022-10-26 03:07:14 UTC
Thank you for reporting this bug in KDE software. As it has been a while since this issue was reported, can we please ask you to see if you can reproduce the issue with a recent software version?

If you can reproduce the issue, please change the status to "REPORTED" when replying. Thank you!
Comment 2 Bug Janitor Service 2022-11-10 05:12:04 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2022-11-25 05:22:20 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!