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Steps to reproduce:
1. Open iOS sample 'CustomCollectionViewLayoutAttributes'.
2. Debug or run the sample.
3. Click on any image on iOS Simulator.
Actual result: Application getting crashed and throwing exception "SIGSEGV". However, this is working fine on physical device.
Expected Result: Image should get removed after clicking on Image on iOS Simulator.
Application output: https://gist.github.com/saurabh360/21cec5afa3d261cf3693
Application crash log: https://gist.github.com/saurabh360/abd5fb433477cf7329cc
iPad Simulator 6.1, 6.0 and 7.0
X.S 4.2.4(build 32)
REGRESSION: This is working fine with stable X.iOS 220.127.116.11
This seems to be an object getting freed.
Running with GC_DONT_GC=1 doesn't crash.
This is the cause:
We must also call retain on the return value when users override Copy (really any method with the [Release] attribute on its return value).
Actually the test project still crashes.
OK, I believe I managed to finally fix it now.
I have tested this issue with the following builds:
XS 4.2.4(build 32)
I am observing same issue with the latest build and sample also.Hence reopening the issue.
It was not (then) backported - but only on master (as stated in comment 5).
It is now backported in monotouch-7.2.1-branch 46b2486c6e69811dd4e0c69c61e57fa34b257461
You need 18.104.22.168 (or newer) to get/test this fix.
Today I have tested this sample with the following builds:
XS 4.2.4(build 32)
Now it is working fine.Hence marking this issue as verified fixed.