4 fail_compilation/fail209.d(20): Error: incompatible types for `(a) -= (x)`: `float` and `fail209.X`
8 // https://issues.dlang.org/show_bug.cgi?id=725
9 // expression.c:6516: virtual Expression* MinAssignExp::semantic(Scope*): Assertion `e2->type->isfloating()' failed