// RUN: %clang_cc1 %s -ffreestanding -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic -fpascal-strings -std=c99 #include #include 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{{}}