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[Apple mobile] Smoke tests crash in full AOT mode with plt_entry assertion on iOS/tvOS 18.x #117159

@kotlarmilos

Description

@kotlarmilos

Description

Apple mobile smoke tests targeting iOS/tvOS 18.x (scouting queues) are failing in full AOT mode when built in Release configuration. Similar functional app works correctly when running with the interpreter.

Investigation

When building the iOS.Device.Aot.Test app locally in Release mode, an Xcode project is generated. Running the app via Xcode in Debug build works as expected. However, when running the Release build, the app fails at runtime with exit code 1 and the following assertion:

((null) error) * Assertion at /Users/miloskotlar/dotnet/runtime/src/mono/mono/mini/aot-runtime.c:5332, condition `plt_entry' not met

* thread #9, name = 'tid_4d03', queue = 'com.apple.root.default-qos', stop reason = breakpoint 2.1
  * frame #0: 0x00000001051103e4 iOS.Device.Aot.Test`mono_aot_plt_resolve(aot_module=0x000000015a0b1e00, regs=0x000000016b28dc90, code="H\x8c", error=0x000000016b28dc00) at aot-runtime.c:5332:2 [opt]
    frame #1: 0x000000010511e404 iOS.Device.Aot.Test`mono_aot_plt_trampoline(...) at mini-trampolines.c:937:8 [opt]
    frame #2: 0x00000001055811bc iOS.Device.Aot.Test`generic_trampoline_aot_plt + 236

This indicates a failure in resolving a PLT entry during AOT runtime execution. The issue is only reproducible in the Release build with full AOT enabled.

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