Error if there is no this in a call requiring this. Fixes: nocompile/b/bug_type_308_G,H nocompile/bug_e2ir_814 nocompile/i/inline_18_A,B nocompile/inline_07 nocompile/static_09

module bug42;

void main() {
    int i = 2;
    switch (i) {
    case 0:
    case 1:
    default:
    }
}