flutter engine on iOS arm simulator does not build #66925

ninja: Entering directory `out/ios_debug_sim_unopt/'
[1/10] if [ ! -e ./libFlutter.dylib -o ! -e ./libFlutter.dylib.TOC ] || otool -l ./libFlutter.dylib | grep -q LC_REEXPORT_DYLIB ; then ../../buildtools/mac-x64/clang/bin/clang++ -shared -isysroot /Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk -mios-simulator-version-min=8.0   -Wl,-object_path_lto,./lto_libFlutter.o -Wl,-install_name,@rpath/Flutter.framework/Flutter -arch arm64 -stdlib=libc++ -o ./libFlutter.dylib -Wl,-filelist,./libFlutter.dylib.rsp  -framework AudioToolbox -framework CoreMedia -framework CoreVideo -framework OpenGLES -framework QuartzCore -framework UIKit -framework IOKit -framework Foundation -ldl -lpthread -framework CoreFoundation -framework ImageIO -framework MobileCoreServices -framework CoreGraphics -framework CoreText -framework UIKit -framework Security && { otool -l ./libFlutter.dylib | grep LC_ID_DYLIB -A 5; nm -gP ./libFlutter.dylib | cut -f1-2 -d' ' | grep -v U$$; true; } > ./libFlutter.dylib.TOC; else ../../buildtools/mac-x64/clang/bin/clang++ -shared -isysroot /Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk -mios-simulator-version-min=8.0   -Wl,-object_path_lto,./lto_libFlutter.o -Wl,-install_name,@rpath/Flutter.framework/Flutter -arch arm64 -stdlib=libc++ -o ./libFlutter.dylib -Wl,-filelist,./libFlutter.dylib.rsp  -framework AudioToolbox -framework CoreMedia -framework CoreVideo -framework OpenGLES -framework QuartzCore -framework UIKit -framework IOKit -framework Foundation -ldl -lpthread -framework CoreFoundation -framework ImageIO -framework MobileCoreServices -framework CoreGraphics -framework CoreText -framework UIKit -framework Security && { otool -l ./libFlutter.dylib | grep LC_ID_DYLIB -A 5; nm -gP ./libFlutter.dylib | cut -f1-2 -d' ' | grep -v U$$; true; } > ./libFlutter.dylib.tmp && if ! cmp -s ./libFlutter.dylib.tmp ./libFlutter.dylib.TOC; then mv ./libFlutter.dylib.tmp ./libFlutter.dylib.TOC ; fi; fi
FAILED: libFlutter.dylib libFlutter.dylib.TOC 
if [ ! -e ./libFlutter.dylib -o ! -e ./libFlutter.dylib.TOC ] || otool -l ./libFlutter.dylib | grep -q LC_REEXPORT_DYLIB ; then ../../buildtools/mac-x64/clang/bin/clang++ -shared -isysroot /Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk -mios-simulator-version-min=8.0   -Wl,-object_path_lto,./lto_libFlutter.o -Wl,-install_name,@rpath/Flutter.framework/Flutter -arch arm64 -stdlib=libc++ -o ./libFlutter.dylib -Wl,-filelist,./libFlutter.dylib.rsp  -framework AudioToolbox -framework CoreMedia -framework CoreVideo -framework OpenGLES -framework QuartzCore -framework UIKit -framework IOKit -framework Foundation -ldl -lpthread -framework CoreFoundation -framework ImageIO -framework MobileCoreServices -framework CoreGraphics -framework CoreText -framework UIKit -framework Security && { otool -l ./libFlutter.dylib | grep LC_ID_DYLIB -A 5; nm -gP ./libFlutter.dylib | cut -f1-2 -d' ' | grep -v U$$; true; } > ./libFlutter.dylib.TOC; else ../../buildtools/mac-x64/clang/bin/clang++ -shared -isysroot /Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk -mios-simulator-version-min=8.0   -Wl,-object_path_lto,./lto_libFlutter.o -Wl,-install_name,@rpath/Flutter.framework/Flutter -arch arm64 -stdlib=libc++ -o ./libFlutter.dylib -Wl,-filelist,./libFlutter.dylib.rsp  -framework AudioToolbox -framework CoreMedia -framework CoreVideo -framework OpenGLES -framework QuartzCore -framework UIKit -framework IOKit -framework Foundation -ldl -lpthread -framework CoreFoundation -framework ImageIO -framework MobileCoreServices -framework CoreGraphics -framework CoreText -framework UIKit -framework Security && { otool -l ./libFlutter.dylib | grep LC_ID_DYLIB -A 5; nm -gP ./libFlutter.dylib | cut -f1-2 -d' ' | grep -v U$$; true; } > ./libFlutter.dylib.tmp && if ! cmp -s ./libFlutter.dylib.tmp ./libFlutter.dylib.TOC; then mv ./libFlutter.dylib.tmp ./libFlutter.dylib.TOC ; fi; fi
ld: warning: ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//OpenGLES.framework/OpenGLES.tbd) built for iOS Simulator
building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreVideo.framework/CoreVideo.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//QuartzCore.framework/QuartzCore.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//IOKit.framework/IOKit.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//AudioToolbox.framework/AudioToolbox.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//Foundation.framework/Foundation.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreMedia.framework/CoreMedia.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreFoundation.framework/CoreFoundation.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//MobileCoreServices.framework/MobileCoreServices.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//ImageIO.framework/ImageIO.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreText.framework/CoreText.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//UIKit.framework/UIKit.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//Security.framework/Security.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreGraphics.framework/CoreGraphics.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libpthread.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libdl.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libc++.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libSystem.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/PrivateFrameworks/AudioToolboxCore.framework/AudioToolboxCore.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libobjc.A.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//CoreServices.framework/CoreServices.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/Frameworks//FileProvider.framework/FileProvider.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/PrivateFrameworks/DocumentManager.framework/DocumentManager.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/PrivateFrameworks/ShareSheet.framework/ShareSheet.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libcache.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libcommonCrypto.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libcompiler_rt.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libcopyfile.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libcorecrypto.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libdispatch.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libdyld.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/liblaunch.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libmacho.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libremovefile.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_asl.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_blocks.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_c.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_collections.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_configuration.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_containermanager.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_coreservices.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_darwin.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_dnssd.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_featureflags.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_info.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_m.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_malloc.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_notify.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_product_info_filter.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sandbox.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_kernel.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_platform.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_pthread.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_trace.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libunwind.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libxpc.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/libc++abi.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_kernel_host.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_platform_host.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_sim_pthread_host.tbd) built for iOS Simulator
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_kernel.tbd) built for macOS/Mac Catalyst
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_platform.tbd) built for macOS/Mac Catalyst
ld: warning: building for iOS, but linking in .tbd file (/Users/jonahwilliams/Downloads/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.2.sdk/usr/lib/system/libsystem_pthread.tbd) built for macOS/Mac Catalyst
Undefined symbols for architecture arm64:
  "_skia_png_init_filter_functions_neon", referenced from:
      _png_init_filter_functions in libpng.pngrutil.o
ld: symbol(s) not found for architecture arm64
clang-11: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.

     if args.target_os == 'android':
         gn_args['target_cpu'] = args.android_cpu
     elif args.target_os == 'ios':
-        if args.simulator:
-            gn_args['target_cpu'] = 'x64'
-        else:
-            gn_args['target_cpu'] = args.ios_cpu
+      gn_args['target_cpu'] = args.ios_cpu
     elif args.target_os == 'linux':
       gn_args['target_cpu'] = args.linux_cpu
     elif args.target_os == 'fuchsia':