gcc/testsuite/gcc.c-torture/compile/vla-const-1.c

/* Test TREE_CONSTANT VLA size: bug 27893.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-require-effective-target alloca } */
int a;
void g(void *);
void f(void) { int b[(__SIZE_TYPE__)&a]; g(b); }