uniform half4 colorGreen, colorRed;
int glob;

bool block_variable_hides_local_variable() {
    bool var = true;
    {
        bool var = false;
    }
    return var;
}

bool block_variable_hides_global_variable() {
    {
        int glob = 1;
    }
    return glob == 2;
}

struct S {
    int i;
};

bool local_variable_hides_struct() {
    bool S = true;
    return S;
}

bool local_struct_variable_hides_struct_type() {
    S S = S(1);
    return S.i == 1;
}

bool local_variable_hides_global_variable() {
    int glob = 1;
    return glob == 1;
}

half4 main(float2 coords) {
    glob = 2;
    return (block_variable_hides_local_variable() &&
            block_variable_hides_global_variable() &&
            local_variable_hides_struct() &&
            local_struct_variable_hides_struct_type() &&
            local_variable_hides_global_variable()) ? colorGreen : colorRed;
}