1 // RUN: %clang_cc1 -Eonly -ftrigraphs %s
2 // RUN: %clang_cc1 -Eonly -verify %s
3 
4 //\
5 #error bar
6 
7 //??/
8 #error qux
9 // expected-error@-1 {{qux}}
10 
11 // Trailing whitespace!
12 //\
13 #error quux
14 // expected-warning@-2 {{backslash and newline separated by space}}
15