1// RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic 2 3int test1() { 4 typedef int x[test1()]; // vla 5 static int y = sizeof(x); // expected-error {{not a compile-time constant}} 6} 7 8// PR2347 9void f (unsigned int m) 10{ 11 int e[2][m]; 12 13 e[0][0] = 0; 14} 15 16// PR3048 17int x = sizeof(struct{char qq[x];}); // expected-error {{fields must have a constant size}} 18 19// PR2352 20void f2(unsigned int m) 21{ 22 extern int e1[2][m]; // expected-error {{variable length array declaration cannot have 'extern' linkage}} 23 24 e1[0][0] = 0; 25 26} 27 28// PR2361 29int i; 30int c[][i]; // expected-error {{variably modified type declaration not allowed at file scope}} 31int d[i]; // expected-error {{variable length array declaration not allowed at file scope}} 32 33int (*e)[i]; // expected-error {{variably modified type declaration not allowed at file scope}} 34 35void f3() 36{ 37 static int a[i]; // expected-error {{variable length array declaration cannot have 'static' storage duration}} 38 extern int b[i]; // expected-error {{variable length array declaration cannot have 'extern' linkage}} 39 40 extern int (*c1)[i]; // expected-error {{variably modified type declaration cannot have 'extern' linkage}} 41 static int (*d)[i]; 42} 43 44// PR3663 45static const unsigned array[((2 * (int)((((4) / 2) + 1.0/3.0) * (4) - 1e-8)) + 1)]; // expected-warning {{variable length array folded to constant array as an extension}} 46 47int a[*]; // expected-error {{star modifier used outside of function prototype}} 48int f4(int a[*][*]); 49 50// PR2044 51int pr2044(int b) {int (*c(void))[b];**c() = 2;} // expected-error {{variably modified type}} 52int pr2044b; 53int (*pr2044c(void))[pr2044b]; // expected-error {{variably modified type}} 54 55const int f5_ci = 1; 56void f5() { char a[][f5_ci] = {""}; } // expected-warning {{variable length array folded to constant array as an extension}} 57 58// PR5185 59void pr5185(int a[*]); 60void pr5185(int a[*]) // expected-error {{variable length array must be bound in function definition}} 61{ 62} 63 64void pr23151(int (*p1)[*]) // expected-error {{variable length array must be bound in function definition}} 65{} 66 67// Make sure this isn't treated as an error 68int TransformBug(int a) { 69 return sizeof(*(int(*)[({ goto v; v: a;})]) 0); // expected-warning {{use of GNU statement expression extension}} 70} 71