1 /* Test for commas in constant expressions in #if: not permitted in C90
2    but permitted in unevaluated subexpressions in C99.  */
3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
4 /* { dg-do preprocess } */
5 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
6 
7 #if (1, 2) /* { dg-error "comma" "evaluated comma" } */
8 #endif
9 
10 #if 1 || (1, 2) /* { dg-error "comma" "unevaluated comma" } */
11 #endif
12