[wasm] Parameters of type Enum not supported with icalls

[radical]

Based on #61053 (comment):

Fails for [System.Private.CoreLib] System.Enum::InternalHasFlag:

 The "IcallTableGenerator" task failed unexpectedly. [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
 System.NotImplementedException: System.Enum [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.AppendType(StringBuilder sb, Type t) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]      
    at IcallTableGenerator.ProcessType(Type type) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.GenIcallTable(String runtimeIcallTableFile, String[] assemblies) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.Execute() [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]

cc @lambdageek @vargaz

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Issue Details

---

Based on #61053 (comment):

Fails for [System.Private.CoreLib] System.Enum::InternalHasFlag:

 The "IcallTableGenerator" task failed unexpectedly. [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
 System.NotImplementedException: System.Enum [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.AppendType(StringBuilder sb, Type t) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]      
    at IcallTableGenerator.ProcessType(Type type) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.GenIcallTable(String runtimeIcallTableFile, String[] assemblies) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at IcallTableGenerator.Execute() [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]
    at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask) [C:\uselessStuff\GameBuddy\src\Client\GameBuddy.Client.csproj]

cc @lambdageek @vargaz

Author:	radical
Assignees:	-
Labels:	arch-wasm
Milestone:	-

[radical]

This was changed to emit a warning instead.

[radical]

cc @maraf