1 /* { dg-do preprocess } */ 2 3 /* Test for proper handling of unary minus in #if. */ 4 5 #if !(-1) 6 #error Error /* { dg-bogus "Error" "case !(-1)" } */ 7 #endif 8 9 #if !-1 10 #error Error /* { dg-bogus "Error" "case !-1" } */ 11 #endif 12 13 #if -1 14 #else 15 #error Error /* { dg-bogus "Error" "case -1" } */ 16 #endif 17