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  1. Qt
  2. QTBUG-113583

Problem when compiling a C++ project with MSVC 2019 with the target ABI ARM64EC for Windows 11 on ARM.

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.3.1
    • Build tools: moc, Core: Other
    • None
    • ThinkPad X13s Gen 1 - Qualcomm® Snapdragon™ Gen 3 SC8280XP
      Windows 11 Pro
    • Windows

    Description

      I am facing a problem when compiling a C++ project with MSVC 2019 with the target ABI ARM64EC for Windows 11 on ARM.

      I have a shared library exporting a Qt class with a signal and a slot emitting this signal and an executable linked to this library. In this executable, I instantiate the library class, connect a lambda to its signal and call the slot in order to emit the signal and have the lambda run.

      When build in release mode, the application fails to react to the signal and shows a message saying the signal was not found and when built in debug mode, the application just crashes on the QObject::connect call.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-95876 Windows on ARM64 optimized applications (release build) crash on startup

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Task - A task that needs to be done. QTBUG-125260 Support of ARM64EC ABI for Windows on ARM on Windows 11

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported
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              fabiankosmale Fabian Kosmale
              julio_oliveira Julio Oliveira
              Julio Oliveira Julio Oliveira
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                Updated:

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