gcc/testsuite/g++.dg/other/anon4.C

   1 // PR c++/27951
   2 // { dg-do compile }
   3
   4 void foo()
   5 {
   6     int i;             // { dg-message "previously" }
   7     union { int i; };  // { dg-error "redeclaration" }
   8 }