1 /* Copyright (C) 2002 Free Software Foundation, Inc. */ 2 3 /* { dg-do preprocess } */ 4 /* { dg-options "-std=c99" } */ 5 6 /* Source: Neil Booth, 6 Aug 2002. 7 8 Tests that we DTRT with varargs commas for a single-parameter macro 9 when in standards-conforming mode. */ 10 11 #define f(...) , ## __VA_ARGS__ 12 13 /* The comma from f's expansion should be retained (standards 14 conforming mode only). Tests that it isn't in non-standards mode 15 include macro8.c and vararg1.c. */ 16 #if 2 f() 3 /* { dg-bogus "missing binary operator" } */ 17 #endif 18