ShaderResourceGroupSemantic ExampleBinding 
{
    FrequencyId = 0; 
    ShaderVariantFallback = 64;
};

ShaderResourceGroup ExampleSRG : ExampleBinding
{
    float4 exampleColor;
};

ShaderResourceGroupSemantic AnotherBinding 
{
    FrequencyId = 1; 
    ShaderVariantFallback = 32;
};

ShaderResourceGroup AnotherSRG : AnotherBinding
{
    float4 exampleColor;
};

// IR Error 35:  'Two or more SRGs cannot all be designated as the default ShaderVariantFallback'
// #EC 128 

