llvm-project/clang/test/Sema/exprs.c

48 lines
1.2 KiB
C

// RUN: clang %s -verify -pedantic -fsyntax-only
// PR1966
_Complex double test1() {
return __extension__ 1.0if;
}
_Complex double test2() {
return 1.0if; // expected-warning {{imaginary constants are an extension}}
}
// rdar://6097308
void test3() {
int x;
(__extension__ x) = 10;
}
// rdar://6162726
void test4() {
static int var;
var =+ 5; // expected-warning {{use of unary operator that may be intended as compound assignment (+=)}}
var =- 5; // expected-warning {{use of unary operator that may be intended as compound assignment (-=)}}
var = +5;
var = -5;
}
// rdar://6319320
void test5(int *X, float *P) {
(float*)X = P; // expected-error {{assignment to cast is illegal, lvalue casts are not supported}}
}
void test6() {
int X;
X(); // expected-error {{called object type 'int' is not a function or function pointer}}
}
void test7(int *P, _Complex float Gamma) {
P = (P-42) + Gamma*4; // expected-error {{invalid operands to binary expression ('int *' and '_Complex float')}}
}
// rdar://6095061
int test8(void) {
int i;
__builtin_choose_expr (0, 42, i) = 10; // expected-warning {{extension used}}
return i;
}