Add workaround dotnet#1301

src/coreclr/nativeaot/System.Private.CoreLib/src/System.Private.CoreLib.csproj

@@ -34,7 +34,8 @@
     <FeatureSharedLowLevelLock>true</FeatureSharedLowLevelLock>
   </PropertyGroup>
   <PropertyGroup>
-    <FeatureGenericMath>true</FeatureGenericMath>
+    <!-- Depends on static virtual methods https://github.com/dotnet/runtimelab/issues/1301 -->
+    <!-- <FeatureGenericMath>true</FeatureGenericMath> -->
     <DefineConstants Condition="'$(FeatureGenericMath)' == 'true'">$(DefineConstants);FEATURE_GENERIC_MATH</DefineConstants>
   </PropertyGroup>
 

src/libraries/System.Runtime/src/ApiCompatBaseline.txt

@@ -0,0 +1,47 @@
+# Workaround for https://github.com/dotnet/runtimelab/issues/1301
+CannotRemoveBaseTypeOrInterface : Type 'System.Byte' does not implement interface 'System.IBinaryInteger<System.Byte>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Char' does not implement interface 'System.IBinaryInteger<System.Char>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.DateOnly' does not implement interface 'System.IComparisonOperators<System.DateOnly, System.DateOnly>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.DateTime' does not implement interface 'System.IAdditionOperators<System.DateTime, System.TimeSpan, System.DateTime>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.DateTimeOffset' does not implement interface 'System.IAdditionOperators<System.DateTimeOffset, System.TimeSpan, System.DateTimeOffset>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Decimal' does not implement interface 'System.IMinMaxValue<System.Decimal>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Double' does not implement interface 'System.IBinaryFloatingPoint<System.Double>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Guid' does not implement interface 'System.IComparisonOperators<System.Guid, System.Guid>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Half' does not implement interface 'System.IBinaryFloatingPoint<System.Half>' in the implementation but it does in the contract.
+TypesMustExist : Type 'System.IAdditionOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IAdditiveIdentity<TSelf, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IBinaryFloatingPoint<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IBinaryInteger<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IBinaryNumber<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IBitwiseOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IComparisonOperators<TSelf, TOther>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IDecrementOperators<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IDivisionOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IEqualityOperators<TSelf, TOther>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IFloatingPoint<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IIncrementOperators<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IMinMaxValue<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IModulusOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IMultiplicativeIdentity<TSelf, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IMultiplyOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Int16' does not implement interface 'System.IBinaryInteger<System.Int16>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Int32' does not implement interface 'System.IBinaryInteger<System.Int32>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Int64' does not implement interface 'System.IBinaryInteger<System.Int64>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.IntPtr' does not implement interface 'System.IBinaryInteger<System.IntPtr>' in the implementation but it does in the contract.
+TypesMustExist : Type 'System.INumber<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IParseable<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IShiftOperators<TSelf, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.ISignedNumber<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.ISpanParseable<TSelf>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.ISubtractionOperators<TSelf, TOther, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IUnaryNegationOperators<TSelf, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IUnaryPlusOperators<TSelf, TResult>' does not exist in the implementation but it does exist in the contract.
+TypesMustExist : Type 'System.IUnsignedNumber<TSelf>' does not exist in the implementation but it does exist in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.SByte' does not implement interface 'System.IBinaryInteger<System.SByte>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.Single' does not implement interface 'System.IBinaryFloatingPoint<System.Single>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.TimeOnly' does not implement interface 'System.IComparisonOperators<System.TimeOnly, System.TimeOnly>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.TimeSpan' does not implement interface 'System.IAdditionOperators<System.TimeSpan, System.TimeSpan, System.TimeSpan>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.UInt16' does not implement interface 'System.IBinaryInteger<System.UInt16>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.UInt32' does not implement interface 'System.IBinaryInteger<System.UInt32>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.UInt64' does not implement interface 'System.IBinaryInteger<System.UInt64>' in the implementation but it does in the contract.
+CannotRemoveBaseTypeOrInterface : Type 'System.UIntPtr' does not implement interface 'System.IBinaryInteger<System.UIntPtr>' in the implementation but it does in the contract.

src/libraries/System.Runtime/src/System.Runtime.csproj

@@ -3,6 +3,8 @@
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
     <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
     <Nullable>enable</Nullable>
+    <!-- Workaround for https://github.com/dotnet/runtimelab/issues/1301 -->
+    <GenFacadesIgnoreMissingTypes>true</GenFacadesIgnoreMissingTypes>
   </PropertyGroup>
   <ItemGroup>
     <!-- Compiler throws error if you try to use System.Void and instructs you to use void keyword instead. So we have manually added a typeforward for this type. -->