cmd/link: executable contains the full path of GOROOT (even with -ldflags -w)

[typeless]

$ uname -a
Darwin users-MacBook-Air.local 14.5.0 Darwin Kernel Version 14.5.0: Wed Jul 29 02:26:53 PDT 2015; root:xnu-2782.40.9~1/RELEASE_X86_64 x86_64
$ go version
go version devel +c468957 Sun Sep 27 01:04:59 2015 +0000 darwin/amd64

# The only thing the program does is fmt.Print("Hello\n")
$ cd hello
$ go build -ldflags -w
$ hexdump -C hello | grep -c `basename $HOME`
58

[adg]

It's the GOROOT (the path to your Go install), which just happens to be in $HOME on your system.

[typeless]

Looks like these path strings reside in __TEXT __gopclntab

$ otool -sv __TEXT __gopclntab hello

[minux]

Those are for the filenames used in stack backtrace.

[minux]

gopclntab maps pc ranges to source code lines.

[rakyll]

Duplicate of #3467.