Steps to reproduce

pluginsSupportArmSimulator() in xcode_project.dart uses the regex EXCLUDED_ARCHS.*arm64 to determine if any CocoaPods target excludes arm64 simulators. This regex incorrectly matches arm64e as a substring of arm64, causing Flutter to add arm64 to EXCLUDED_ARCHS in Generated.xcconfig even when no plugin actually excludes arm64.

Many common pods set EXCLUDED_ARCHS = arm64e armv7 armv7s in their build settings. Since arm64e contains arm64 the regex produces a false positive, and Generated.xcconfig ends up with:

EXCLUDED_ARCHS[sdk=iphonesimulator*]=i386 arm64

This prevents building for arm64 simulators on Apple Silicon Macs, producing an error.

1. Create a Flutter project with pods that set EXCLUDED_ARCHS = arm64e armv7 armv7s
2. Run flutter run on an Apple Silicon Mac targeting an iOS Simulator
3. Observe Generated.xcconfig contains EXCLUDED_ARCHS[sdk=iphonesimulator*]=i386 arm64
4. Build fails with architecture mismatch error

Expected results

Generated.xcconfig ends up with:

EXCLUDED_ARCHS[sdk=iphonesimulator*]=i386 arm64e

Actual results

Generated.xcconfig ends up with:

EXCLUDED_ARCHS[sdk=iphonesimulator*]=i386 arm64

Code sample

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Flutter Doctor output

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