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