I ve got a little problem. my application runs without problems in Debug mode, but crashes in release mode. I can t track down the problem, because in release mode all the Debuginfo appears to be nonsense. However - sometimes in other projects the Debug output is also valid in release mode. What projectsettings do I have to change such that the Debug output is valid in release?
thanks!
Even in Release mode "Generate Debug Info" should be set to "Yes" per default. The problem is that when you re running in Release Mode the compiler optimizes the code which makes it hard for the debugger to display the correct values of variables (it may for instance choose to keep some variables in registers etc.).
There s not much to be done about this, you could always turn off optimization either globally or around a specific function using #pragma optimize ("", off) / #pragma optimize ("", on) around it but this essentially means you re running in Debug Mode again and the crash will probably go away...
If you re comfortable with reading assembly code, you can switch over to disassembly mode and through a little investigation find the correct values of your variables.
Likely, you re making use of uninitialized variables.
In your project settings, set
Configuration Properties > C/C++ > General > Debug Information Format
to Program Database
Then, set
Configuration Properties > Linker > Debugging > Generate Debug Info
to Yes
The good old "debugging with traces" approach may help you having a rough idea of where the problem is. Then read this portion of the code again and chase uninitialized variables.
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