1 // RUN: %clang %s -ffreestanding -fsyntax-only -Xclang -verify -pedantic -fpascal-strings -std=c99
6 int a() {int p; *(1 ? &p : (void*)(0 && (a(),1))) = 10;} // expected-error {{incomplete type 'void' is not assignable}}
8 // rdar://6091492 - ?: with __builtin_constant_p as the operand is an i-c-e.
10 char w[__builtin_constant_p(expr) ? expr : 1];
12 char v[sizeof(__builtin_constant_p(0)) == sizeof(int) ? 1 : -1];
14 // __builtin_constant_p as the condition of ?: allows arbitrary foldable
15 // constants to be transmogrified into i-c-e's.
16 char b[__builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+2.0) : -1];
19 int a : ( // expected-error {{expression is not an integer constant expression}}
20 __builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+
21 expr // expected-note {{subexpression not valid in an integer constant expression}}
28 void test1(int n, int* p) { *(n ? p : (void *)(7-7)) = 1; }
29 void test2(int n, int* p) { *(n ? p : (void *)0) = 1; }
33 char array[1024/(sizeof (long))];
35 int x['\xBb' == (char) 187 ? 1: -1];
41 case sizeof("abc"): break;
42 case sizeof("loooong"): func(4);
43 case sizeof("\ploooong"): func(4);
50 char y[__builtin_constant_p(expr) ? -1 : 1];
51 char z[__builtin_constant_p(4) ? 1 : -1];
54 int comma1[0?1,2:3]; // expected-warning {{expression result unused}}
55 int comma2[1||(1,2)]; // expected-warning {{expression result unused}} \
56 // expected-warning {{use of logical '||' with constant operand}} \
57 // expected-note {{use '|' for a bitwise operation}}
58 int comma3[(1,2)]; // expected-warning {{size of static array must be an integer constant expression}} \
59 // expected-warning {{expression result unused}}
61 // Pointer + __builtin_constant_p
62 char pbcp[__builtin_constant_p(4) ? (intptr_t)&expr : 0]; // expected-error {{variable length array declaration not allowed at file scope}}
64 int illegaldiv1a[1 || 1/0]; // expected-warning {{division by zero is undefined}}
65 int illegaldiv1b[1 && 1/0]; // expected-warning {{division by zero is undefined}} expected-error{{variable length array declaration not allowed at file scope}}
67 int illegaldiv2[1/0]; // expected-error {{variable length array declaration not allowed at file scope}} \
68 // expected-warning {{division by zero is undefined}}
69 int illegaldiv3[INT_MIN / -1]; // expected-error {{variable length array declaration not allowed at file scope}}
71 int illegaldiv4[0 / (1 / 0)]; // expected-warning {{division by zero is undefined}} expected-error {{variable length array declaration not allowed at file scope}}
73 int chooseexpr[__builtin_choose_expr(1, 1, expr)];
74 int realop[(__real__ 4) == 4 ? 1 : -1];
75 int imagop[(__imag__ 4) == 0 ? 1 : -1];