llvm-project/clang/test/Parser/expressions.c

76 lines
1.9 KiB
C

// RUN: %clang_cc1 -fsyntax-only -verify %s
void test1(void) {
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(void) {
test4();
return 0;
}
struct X0 { struct { struct { int c[10][9]; } b; } a; };
int test_offsetof(void) {
(void)__builtin_offsetof(struct X0, a.b.c[4][5]);
return 0;
}
void test_sizeof(void){
int arr[10];
(void)sizeof arr[0];
(void)sizeof(arr[0]);
(void)sizeof(arr)[0];
}
// PR3418
int test_leading_extension(void) {
__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(void) {
({} // expected-note {{to match}}
; // expected-error {{expected ')'}}
}
// PR16992
struct pr16992 { int x; };
void func_16992 (void) {
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(void) {
callee(foobar, // expected-error {{use of undeclared identifier 'foobar'}}
fizbin); // expected-error {{use of undeclared identifier 'fizbin'}}
}