gcc/testsuite/gdc.test/fail_compilation/test22840.d

   1 /* REQUIRED_ARGS: -preview=dip1000
   2  * TEST_OUTPUT:
   3 ---
   4 fail_compilation/test22840.d(25): Error: returning `sb.slice()` escapes a reference to local variable `sb`
   5 ---
   6 */
   7
   8 // inout method with inferred @safe escapes local data
   9 // https://issues.dlang.org/show_bug.cgi?id=22840
  10
  11 // See also: https://issues.dlang.org/show_bug.cgi?id=20149
  12
  13 struct S
  14 {
  15     int buf;
  16     auto slice() inout
  17     {
  18         return &buf;
  19     }
  20 }
  21
  22 int* fun() @safe
  23 {
  24     S sb;
  25     return sb.slice(); // should error
  26 }