Expose System.Reflection.TargetException

[jonorossi]

.NET Framework exposed both TargetException (fail on an invalid target, e.g, null) and TargetInvocationException (fail actually invoking the target). The runtime still throws a TargetException in coreclr and there is code in the corefx unit tests that check the exception is thrown using Type.FullName or Assert.ThrowsAny<Exception>.

Is there a reason this exception hasn't been exposed? I'm porting code checking for this exception.

[joshfree]

@terrajobst @weshaggard PTAL

[weshaggard]

@pallavit this is something we should consider exposing.

[pallavit]

Closing this with dotnet/corefx#5381