1 /* Tests that macros that look recursive but are not are accepted. */ 2 3 /* { dg-do preprocess } */ 4 5 #define g(x) x 6 g(g(g(g(g(g(g)))))); /* { dg-bogus "detected recursion" } */ 7 8 /* This macro gets longer with each loop, to thwart tests for 9 recursion based on length. */ 10 #define f(a,b,c,d,e,f,g,h,i) a(b,c,d,e,f,g,h,i,2 3 4 5) 11 f(f,f,f,f,f,f,f,f,f) /* { dg-bogus "detected recursion" } */ 12 13 /* The above cases should be enough, but this is taken from cccp 14 sources so let's try it too. */ 15 #define foo(x,y) bar (x (y,0), y) 16 foo (foo, baz); /* { dg-bogus "detected recursion" } */ 17 18 #define mac mac/**/ro 19 mac /* { dg-bogus "detected recursion" } */ 20 21 #define mac2 mac2 22 "mac2" /* { dg-bogus "detected recursion" } */ 23 24 #define macro "macro 25 macro mac2 /* { dg-bogus "detected recursion" } */ 26