gc successfully compiles the following program: ``` go package a var e,f = f^0i,0 ``` while gccgo says: ``` go.go:2:12: error: incompatible types in binary expression ``` gccgo seems to be right, because 0i is imaginary literal. go version devel +bb7e665 Tue Jun 30 07:42:37 2015 +0000 linux/amd64