go/src/cmd/compile/internal/pkginit/init.go

// MakeTask makes an initialization record for the package, if necessary.
// See runtime/proc.go:initTask for its layout.
// The 3 tasks for initialization are:
//  1. Initialize all of the packages the current package depends on.
//  2. Initialize all the variables that have initializers.
//  3. Run any init functions.
func MakeTask() { … }