[Interest] Debugging a double dealloc

[Giuseppe D'Angelo]

Il 23/09/20 14:08, Ben Haller via Interest ha scritto:
> Thanks for the suggestion.  However, this problem is only on macOS, and Valgrind doesn’t appear to run on any macOS later than 10.12 (“preliminary” support for 10.13, according to their website; I’m not sure what that means).  I’m on macOS 10.15.6, and I’m using Qt 5.14.2 which has a minimum macOS version of 10.13, so Valgrind seems to be a no-go for at least one reason, perhaps two reasons (depending on “preliminary”).

There is a fork of Valgrind to support more modern macOS versions

https://github.com/LouisBrunner/valgrind-macos/

(Note: never used it myself, not a mac user).

Another option is getting a recent Clang version and rebuilding Qt and 
your app with AddressSanitizer.

HTH,

-- 
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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