It should be /usr/local/go/src/fmt/print.go:274:6..., proof:
$ grep -n 'Println' /usr/local/go/src/fmt/print.go
265: p.doPrintln(a)
271:// Println formats using the default formats for its operands and writes to standard output.
274:func Println(a ...interface{}) (n int, err error) {
282: p.doPrintln(a)
599: // Println etc. set verb to %v, which is "stringable".
1152:// doPrintln is like doPrint but always adds a space between arguments
1154:func (p *pp) doPrintln(a []interface{}) {
$ grep -n 'Println' /usr/local/go/src/fmt/print.go
265: p.doPrintln(a)
271:// Println formats using the default formats for its operands and writes to standard output.
274:func Println(a ...interface{}) (n int, err error) {
282: p.doPrintln(a)
599: // Println etc. set verb to %v, which is "stringable".
1152:// doPrintln is like doPrint but always adds a space between arguments
1154:func (p *pp) doPrintln(a []interface{}) {
The jumping to builtins was fixed recently and according to the outut it should now be 257:6-257:13:
$ grep -n 'println' /usr/local/go/src/builtin/builtin.go
252:// The println built-in function formats its arguments in an
257:func println(args ...Type)
TestXDefinition/go_root/xdefinition-goroot-a.go:1:40
: fix testIt should be
/usr/local/go/src/fmt/print.go:274:6...
, proof:TestDefinition/go_root/definition-goroot-a.go:1:40
: fix testIt should be
274:6-274:13
, proof:TestDefinition/builtin_definition/definition-builtin-a.go:1:26
: fix testThe jumping to
builtin
s was fixed recently and according to the outut it should now be257:6-257:13
: