[ObjCRuntime] Use unsafe code to copy a struct instead of reflection.

[rolfbjarne]

Use unsafe code to copy a struct instead of reflection, this is faster, and
also fully AOT-compatible.

Contributes towards #18629.

[vs-mobiletools-engineering-service2]

💻 [CI Build] Windows Integration Tests passed 💻

✅ All Windows Integration Tests passed.

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Hash: 73f82658b72d60072ff256dfa04195cbe77a9027 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS M1 - Mac Ventura (13.0) passed 💻

✅ All tests on macOS M1 - Mac Ventura (13.0) passed.

Pipeline on Agent
Hash: [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) passed 💻

✅ All tests on macOS M1 - Mac Big Sur (11.5) passed.

Pipeline on Agent
Hash: [PR build]

[vs-mobiletools-engineering-service2]

📚 [PR Build] Artifacts 📚

Packages generated

View packages

• xamarin.ios-16.5.0.403.pkg
• xamarin.mac-9.4.0.403.pkg

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Hash: [PR build]

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

Legacy Xamarin (No breaking changes)

• iOS (no change detected)
• tvOS (no change detected)
• watchOS (no change detected)
• macOS (no change detected)

NET (empty diffs)

• iOS: (empty diff detected)
• tvOS: (empty diff detected)
• MacCatalyst: (empty diff detected)
• macOS: (empty diff detected)

✅ API diff vs stable

Legacy Xamarin (No breaking changes)

• iOS: vsdrops gist (No breaking changes)
• tvOS: vsdrops gist (No breaking changes)
• watchOS: vsdrops gist (No breaking changes)
• macOS: vsdrops gist (No breaking changes)

.NET (No breaking changes)

• iOS: vsdrops gist (No breaking changes)
• tvOS: vsdrops gist (No breaking changes)
• MacCatalyst: vsdrops gist (No breaking changes)
• macOS: vsdrops gist (No breaking changes)
• Microsoft.iOS vs Microsoft.MacCatalyst: vsdrops gist

Legacy Xamarin (stable) vs .NET

• iOS: vsdrops gist
• tvOS: vsdrops gist
• macOS: vsdrops gist

✅ Generator diff

Generator diff is empty

Pipeline on Agent
Hash: 73f82658b72d60072ff256dfa04195cbe77a9027 [PR build]

[vs-mobiletools-engineering-service2]

🔥 [CI Build] Test results 🔥

Test results

❌ Tests failed on VSTS: simulator tests

0 tests crashed, 4 tests failed, 226 tests passed.

Failures

❌ monotouch tests

1 tests failed, 34 tests passed.

• monotouch-test/Mac Catalyst [dotnet]/Release (all optimizations) [dotnet]: Failed (Test run failed.
  Tests run: 2884 Passed: 2757 Inconclusive: 9 Failed: 1 Ignored: 126)

Html Report (VSDrops) Download

❌ xammac tests

3 tests failed, 0 tests passed.

• xammac tests/Mac Modern/Debug: Failed (Test run failed.
  Tests run: 2846 Passed: 2750 Inconclusive: 8 Failed: 2 Ignored: 94)
• xammac tests/Mac Modern/Release: Failed (Test run failed.
  Tests run: 2843 Passed: 2747 Inconclusive: 8 Failed: 2 Ignored: 94)
• xammac tests/Mac Modern/Release (all optimizations): Failed (Test run failed.
  Tests run: 2843 Passed: 2749 Inconclusive: 8 Failed: 2 Ignored: 92)

Html Report (VSDrops) Download

Successes

✅ bcl: All 69 tests passed. Html Report (VSDrops) Download
✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests: All 1 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 7 tests passed. Html Report (VSDrops) Download
✅ framework: All 3 tests passed. Html Report (VSDrops) Download
✅ generator: All 2 tests passed. Html Report (VSDrops) Download
✅ interdependent_binding_projects: All 7 tests passed. Html Report (VSDrops) Download
✅ install_source: All 1 tests passed. Html Report (VSDrops) Download
✅ introspection: All 8 tests passed. Html Report (VSDrops) Download
✅ linker: All 65 tests passed. Html Report (VSDrops) Download
✅ mac_binding_project: All 1 tests passed. Html Report (VSDrops) Download
✅ mmp: All 2 tests passed. Html Report (VSDrops) Download
✅ mononative: All 12 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ mtouch: All 1 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 8 tests passed. Html Report (VSDrops) Download
✅ xtro: All 2 tests passed. Html Report (VSDrops) Download

Pipeline on Agent
Hash: 73f82658b72d60072ff256dfa04195cbe77a9027 [PR build]

[rolfbjarne]

Test failures are unrelated (https://github.com/xamarin/maccore/issues/2283, https://github.com/xamarin/maccore/issues/2630)