Yes, if you use the Terminal and cd to /Applications/Xcode.app/Contents/Developer, you'll see drwxr-xr-x 3 root wheel 102 Jan 25 14:52 Documentation dr

Yes, if you use the Terminal and cd to /Applications/Xcode.app/Contents/Developer, you'll see drwxr-xr-x 3 root wheel 102 Jan 25 14:52 Documentation drwxr-xr-x 7 root wheel 238 Jan 29 13:33 Library drwxr-xr-x 7 root wheel 238 Jan 29 13:11 Makefiles drwxr-xr-x 5 root wheel 170 Jan 25 14:53 Platforms drwxr-xr-x 3 root wheel 102 Jan 25 14:54 Toolchains drwxr-xr-x 22 root wheel 748 Jan 29 13:12 Tools drwxr-xr-x 7 root wheel 238 Jan 25 14:54 usr Inside ./usr/bin is gcc, git, etc. Basically the developer tools used to live by default in /Developer at the root of the filesystem, now the Developer directory is inside Xcode.