1 /* { dg-do preprocess } */
2 /* { dg-options "-std=c11 -pedantic" { target c } } */
3 /* { dg-options "-std=c++11 -pedantic" { target c++ } } */
9 \u0300 /* { dg-error "not valid at the start of an identifier" } */
11 A
\u0300 /* { dg-warning "not in NFC" } */