src/test/ui/error-codes/E0662.stderr

   1 error[E0662]: input operand constraint contains '='
   2   --> $DIR/E0662.rs:8:17
   3    |
   4 LL |               : "=test"("a")
   5    |                 ^^^^^^^
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0662`.