gcc/testsuite/gcc.dg/vla-6.c

   1 /* { dg-options "-std=c99 -pedantic-errors" } */
   2
   3 int a[*];                       /* { dg-error "not allowed in other than function prototype scope" } */
   4 void foo1() { int a[*]; }       /* { dg-error "not allowed in other than function prototype scope" } */
   5 void foo2() { int a[*]; }       /* { dg-error "not allowed in other than function prototype scope" } */
   6 int foo3(int i)[*];             /* { dg-error "not allowed in other than function prototype scope" } */
   7 void foo4(int o[*][4]) { }      /* { dg-error "not allowed in other than function prototype scope" } */
   8 void foo5(int o[4][*]) { }      /* { dg-error "not allowed in other than function prototype scope" } */
   9
  10 /* [*] can't be used in a type that's not a declaration */
  11 void foo11(int x[sizeof(int (*)[*])]);  /* { dg-error "not allowed in other than a declaration" } */
  12 void foo12(int [*]);            /* { dg-error "not allowed in other than a declaration" } */
  13
  14 extern int n;
  15 int B[100];
  16 void foo10(int m) {
  17   typedef int (*vla)[m];
  18   struct tag {
  19     vla x;                      /* { dg-error "a member of a structure or union cannot have a variably modified type" } */
  20     /* PR c/7948 */
  21     int (*y)[n];                /* { dg-error "a member of a structure or union cannot have a variably modified type" } */
  22     int z[n];                   /* { dg-error "a member of a structure or union cannot have a variably modified type" } */
  23   };
  24   /* PR c/25802 */
  25   extern int (*r)[m];           /* { dg-error "variably modified type must have no linkage" } */
  26 }