| // RUN: %clang_cc1 %s -ffreestanding -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic -fpascal-strings -std=c99 |
| |
| #include <stdint.h> |
| #include <limits.h> |
| |
| int a() {int p; *(1 ? &p : (void*)(0 && (a(),1))) = 10;} // expected-error {{incomplete type 'void' is not assignable}} |
| |
| // rdar://6091492 - ?: with __builtin_constant_p as the operand is an i-c-e. |
| int expr; |
| char w[__builtin_constant_p(expr) ? expr : 1]; |
| |
| char v[sizeof(__builtin_constant_p(0)) == sizeof(int) ? 1 : -1]; |
| |
| int implicitConversion = 1.0; |
| char floatArith[(int)(1.0+2.0)]; // expected-warning {{must be an integer constant expression}} |
| |
| // __builtin_constant_p as the condition of ?: allows arbitrary foldable |
| // constants to be transmogrified into i-c-e's. |
| char b[__builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+2.0) : -1]; |
| |
| struct c { |
| int a : ( |
| __builtin_constant_p((int)(1.0+2.0)) ? (int)(1.0+ |
| expr // expected-error {{expression is not an integer constant expression}} |
| ) : -1); |
| }; |
| |
| |
| |
| |
| void test1(int n, int* p) { *(n ? p : (void *)(7-7)) = 1; } |
| void test2(int n, int* p) { *(n ? p : (void *)0) = 1; } |
| |
| |
| |
| char array[1024/(sizeof (long))]; |
| |
| int x['\xBb' == (char) 187 ? 1: -1]; |
| |
| // PR1992 |
| void func(int x) |
| { |
| switch (x) { |
| case sizeof("abc"): break; |
| case sizeof("loooong"): func(4); |
| case sizeof("\ploooong"): func(4); |
| } |
| } |
| |
| |
| // rdar://4213768 |
| int expr; |
| char y[__builtin_constant_p(expr) ? -1 : 1]; |
| char z[__builtin_constant_p(4) ? 1 : -1]; |
| |
| // Comma tests |
| int comma1[0?1,2:3]; |
| int comma2[1||(1,2)]; // expected-warning {{use of logical '||' with constant operand}} \ |
| // expected-note {{use '|' for a bitwise operation}} |
| int comma3[(1,2)]; // expected-warning {{size of static array must be an integer constant expression}} |
| |
| // Pointer + __builtin_constant_p |
| char pbcp[__builtin_constant_p(4) ? (intptr_t)&expr : 0]; // expected-error {{variable length array declaration not allowed at file scope}} |
| |
| int illegaldiv1a[1 || 1/0]; |
| int illegaldiv1b[1 && 1/0]; //expected-error{{variable length array declaration not allowed at file scope}} |
| |
| int illegaldiv2[1/0]; // expected-error {{variable length array declaration not allowed at file scope}} |
| int illegaldiv3[INT_MIN / -1]; // expected-error {{variable length array declaration not allowed at file scope}} |
| // PR9262 |
| int illegaldiv4[0 / (1 / 0)]; // expected-error {{variable length array declaration not allowed at file scope}} |
| |
| int chooseexpr[__builtin_choose_expr(1, 1, expr)]; |
| int realop[(__real__ 4) == 4 ? 1 : -1]; |
| int imagop[(__imag__ 4) == 0 ? 1 : -1]; |
| |
| int *PR14729 = 0 ?: 1/0; // expected-error {{not a compile-time constant}} expected-warning 3{{}} |
| |
| int bcp_call_v; |
| int bcp_call_a[] = {__builtin_constant_p(bcp_call_v && 0) ? bcp_call_v && 0 : -1}; |