1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DNO_JMP_BUF %s 2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s 3 4 #ifdef NO_JMP_BUF 5 extern long setjmp(long *); // expected-warning {{declaration of built-in function 'setjmp' requires the declaration of the 'jmp_buf' type, commonly provided in the header <setjmp.h>.}} 6 #else 7 typedef long jmp_buf; 8 extern int setjmp(char); // expected-warning@8 {{incompatible redeclaration of library function 'setjmp'}} 9 // expected-note@8 {{'setjmp' is a builtin with type 'int (jmp_buf)' (aka 'int (long)')}} 10 #endif 11