| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| void test1() { |
| if (sizeof (int){ 1}) {} // sizeof compound literal |
| if (sizeof (int)) {} // sizeof type |
| |
| (void)(int)4; // cast. |
| (void)(int){4}; // compound literal. |
| |
| int A = (struct{ int a;}){ 1}.a; |
| } |
| |
| int test2(int a, int b) { |
| return a ? (void)a,b : a; |
| } |
| |
| int test3(int a, int b, int c) { |
| return a = b = c; |
| } |
| |
| int test4() { |
| test4(); |
| return 0; |
| } |
| |
| struct X0 { struct { struct { int c[10][9]; } b; } a; }; |
| |
| int test_offsetof() { |
| (void)__builtin_offsetof(struct X0, a.b.c[4][5]); |
| return 0; |
| } |
| |
| void test_sizeof(){ |
| int arr[10]; |
| (void)sizeof arr[0]; |
| (void)sizeof(arr[0]); |
| (void)sizeof(arr)[0]; |
| } |
| |
| // PR3418 |
| int test_leading_extension() { |
| __extension__ (*(char*)0) = 1; // expected-warning {{indirection of non-volatile null pointer}} \ |
| // expected-note {{consider using __builtin_trap}} |
| return 0; |
| } |
| |
| // PR3972 |
| int test5(int); |
| int test6(void) { |
| return test5( // expected-note {{to match}} |
| test5(1) |
| ; // expected-error {{expected ')'}} |
| } |
| |
| // PR8394 |
| void test7() { |
| ({} // expected-note {{to match}} |
| ; // expected-error {{expected ')'}} |
| } |
| |
| // PR16992 |
| struct pr16992 { int x; }; |
| |
| void func_16992 () { |
| int x1 = sizeof int; // expected-error {{expected parentheses around type name in sizeof expression}} |
| int x2 = sizeof struct pr16992; // expected-error {{expected parentheses around type name in sizeof expression}} |
| int x3 = __alignof int; // expected-error {{expected parentheses around type name in __alignof expression}} |
| int x4 = _Alignof int; // expected-error {{expected parentheses around type name in _Alignof expression}} |
| } |
| |
| void callee(double, double); |
| void test8() { |
| callee(foobar, // expected-error {{use of undeclared identifier 'foobar'}} |
| fizbin); // expected-error {{use of undeclared identifier 'fizbin'}} |
| } |