gcc/testsuite/g++.dg/opt/pr87974.C

   1 // { dg-do compile { target c++11 } }
   2 // { dg-options "-O3" }
   3
   4 struct h {
   5     typedef int &c;
   6 };
   7 class i {
   8     struct j {
   9         using c = int *;
  10     };
  11     using as = j::c;
  12 };
  13 template <typename> class k {
  14 public:
  15     using as = i::as;
  16     h::c operator[](long l) {
  17         k<int[]>::as d = 0;
  18         return d[l];
  19     }
  20 };
  21 class : public k<int[]> { } a;
  22 long c, f;
  23 void m()
  24 {
  25   for (long b; b <= 6; b++)
  26     for (long g; g < b; g++) {
  27         unsigned long e = g;
  28         c = 0;
  29         for (; c < b; c++)
  30           f = e >>= 1;
  31         a[g] = f;
  32     }
  33 }