| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
|---|
| 2 | |
|---|
| 3 | void test1() { |
|---|
| 4 | if (sizeof (int){ 1}) {} // sizeof compound literal |
|---|
| 5 | if (sizeof (int)) {} // sizeof type |
|---|
| 6 | |
|---|
| 7 | (void)(int)4; // cast. |
|---|
| 8 | (void)(int){4}; // compound literal. |
|---|
| 9 | |
|---|
| 10 | int A = (struct{ int a;}){ 1}.a; |
|---|
| 11 | } |
|---|
| 12 | |
|---|
| 13 | int test2(int a, int b) { |
|---|
| 14 | return a ? (void)a,b : a; |
|---|
| 15 | } |
|---|
| 16 | |
|---|
| 17 | int test3(int a, int b, int c) { |
|---|
| 18 | return a = b = c; |
|---|
| 19 | } |
|---|
| 20 | |
|---|
| 21 | int test4() { |
|---|
| 22 | test4(); |
|---|
| 23 | return 0; |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | struct X0 { struct { struct { int c[10][9]; } b; } a; }; |
|---|
| 27 | |
|---|
| 28 | int test_offsetof() { |
|---|
| 29 | (void)__builtin_offsetof(struct X0, a.b.c[4][5]); |
|---|
| 30 | return 0; |
|---|
| 31 | } |
|---|
| 32 | |
|---|
| 33 | void test_sizeof(){ |
|---|
| 34 | int arr[10]; |
|---|
| 35 | (void)sizeof arr[0]; |
|---|
| 36 | (void)sizeof(arr[0]); |
|---|
| 37 | (void)sizeof(arr)[0]; |
|---|
| 38 | } |
|---|
| 39 | |
|---|
| 40 | // PR3418 |
|---|
| 41 | int test_leading_extension() { |
|---|
| 42 | __extension__ (*(char*)0) = 1; // expected-warning {{indirection of non-volatile null pointer}} \ |
|---|
| 43 | // expected-note {{consider using __builtin_trap}} |
|---|
| 44 | return 0; |
|---|
| 45 | } |
|---|
| 46 | |
|---|
| 47 | // PR3972 |
|---|
| 48 | int test5(int); |
|---|
| 49 | int test6(void) { |
|---|
| 50 | return test5( // expected-note {{to match}} |
|---|
| 51 | test5(1) |
|---|
| 52 | ; // expected-error {{expected ')'}} |
|---|
| 53 | } |
|---|
| 54 | |
|---|
| 55 | // PR8394 |
|---|
| 56 | void test7() { |
|---|
| 57 | ({} // expected-note {{to match}} |
|---|
| 58 | ; // expected-error {{expected ')'}} |
|---|
| 59 | } |
|---|
| 60 | |
|---|
| 61 | // PR16992 |
|---|
| 62 | struct pr16992 { int x; }; |
|---|
| 63 | |
|---|
| 64 | void func_16992 () { |
|---|
| 65 | int x1 = sizeof int; // expected-error {{expected parentheses around type name in sizeof expression}} |
|---|
| 66 | int x2 = sizeof struct pr16992; // expected-error {{expected parentheses around type name in sizeof expression}} |
|---|
| 67 | int x3 = __alignof int; // expected-error {{expected parentheses around type name in __alignof expression}} |
|---|
| 68 | int x4 = _Alignof int; // expected-error {{expected parentheses around type name in _Alignof expression}} |
|---|
| 69 | } |
|---|
| 70 | |
|---|
| 71 | void callee(double, double); |
|---|
| 72 | void test8() { |
|---|
| 73 | callee(foobar, // expected-error {{use of undeclared identifier 'foobar'}} |
|---|
| 74 | fizbin); // expected-error {{use of undeclared identifier 'fizbin'}} |
|---|
| 75 | } |
|---|
| 76 | |
|---|