i+1, i+1, n.C,
		)
	}
	fmt.Fprintf(&b, "#line 1 \"completed\"\n"+
		"int __cgo__1 = __cgo__2;\n")

	// We need to parse the output from this gcc command, so ensure that it
	// doesn't have any ANSI escape sequences in it. (TERM=dumb is
	// insufficient; if the user specifies CGO_CFLAGS=-fdiagnostics-color,
	// GCC will ignore TERM, and GCC can also be configured at compile-time
	// to ignore TERM.)