21 lines · c
1// RUN: %clang_cc1 -fsyntax-only %s -Wincompatible-function-pointer-types-strict -verify=soft,strict2// RUN: %clang_cc1 -fsyntax-only %s -Werror=incompatible-function-pointer-types-strict -verify=hard,strict3// RUN: %clang_cc1 -fsyntax-only %s -Wincompatible-function-pointer-types -verify=nonstrict4// nonstrict-no-diagnostics5 6enum E { A = -1, B };7typedef enum E (*fn_a_t)(void);8typedef void (*fn_b_t)(void);9 10int a(void) { return 0; }11void __attribute__((noreturn)) b(void) { while (1); }12 13void fa(fn_a_t x) {} // strict-note {{passing argument to parameter 'x' here}}14void fb(fn_b_t x) {}15 16void baz(void) {17 fa(&a); // soft-warning {{incompatible function pointer types passing 'int (*)(void)' to parameter of type 'fn_a_t' (aka 'enum E (*)(void)')}} \18 hard-error {{incompatible function pointer types passing 'int (*)(void)' to parameter of type 'fn_a_t' (aka 'enum E (*)(void)')}}19 fb(&b); // no-warning20}21