update latest versions of Xcode for 10.11 & 10.12

Library/Homebrew/os/mac.rb

@@ -201,6 +201,10 @@ module OS
       "7.3"   => { clang: "7.3", clang_build: 703 },
       "7.3.1" => { clang: "7.3", clang_build: 703 },
       "8.0"   => { clang: "8.0", clang_build: 800 },
+      "8.1"   => { clang: "8.0", clang_build: 800 },
+      "8.2"   => { clang: "8.0", clang_build: 800 },
+      "8.2.1" => { clang: "8.0", clang_build: 800 },
+      "8.3"   => { clang: "8.1", clang_build: 802 },
     }.freeze
 
     def compilers_standard?

Library/Homebrew/os/mac/xcode.rb

@@ -16,13 +16,13 @@ module OS
         when "10.8"  then "5.1.1"
         when "10.9"  then "6.2"
         when "10.10" then "7.2.1"
-        when "10.11" then "8.2"
-        when "10.12" then "8.2"
+        when "10.11" then "8.2.1"
+        when "10.12" then "8.3"
         else
           raise "macOS '#{MacOS.version}' is invalid" unless OS::Mac.prerelease?
 
           # Default to newest known version of Xcode for unreleased macOS versions.
-          "8.2"
+          "8.3"
         end
       end
 
@@ -152,7 +152,8 @@ module OS
         when 70      then "7.0"
         when 73      then "7.3"
         when 80      then "8.0"
-        else "8.0"
+        when 81      then "8.3"
+        else "8.3"
         end
       end
 
@@ -213,8 +214,8 @@ module OS
         # on the older supported platform for that Xcode release, i.e there's no
         # CLT package for 10.11 that contains the Clang version from Xcode 8.
         case MacOS.version
-        when "10.12" then "800.0.42.1"
-        when "10.11" then "703.0.31"
+        when "10.12" then "802.0.38"
+        when "10.11" then "800.0.42.1"
         when "10.10" then "700.1.81"
         when "10.9"  then "600.0.57"
         when "10.8"  then "503.0.40"

docs/Xcode.md

@@ -11,8 +11,8 @@ Tools available for your platform:
 | 10.8  | 5.1.1 | April 2014         |
 | 10.9  | 6.2   | 6.2                |
 | 10.10 | 7.2.1 | 7.2                |
-| 10.11 | 8.0   | 7.3                |
-| 10.12 | 8.0   | 8.0                |
+| 10.11 | 8.2.1 | 8.2                |
+| 10.12 | 8.3   | 8.3                |
 
 ## Compiler version database
 
@@ -66,6 +66,10 @@ Tools available for your platform:
 | 7.3   | —       | —       | —            | —          | 7.3 (703.0.29)  | —          |
 | 7.3.1 | —       | —       | —            | —          | 7.3 (703.0.31)  | —          |
 | 8.0   | —       | —       | —            | —          | 8.0 (800.0.38)  | —          |
+| 8.1   | —       | —       | —            | —          | 8.0 (800.0.42.1)| —          |
+| 8.2   | —       | —       | —            | —          | 8.0 (800.0.42.1)| —          |
+| 8.2.1 | —       | —       | —            | —          | 8.0 (800.0.42.1)| —          |
+| 8.3   | —       | —       | —            | —          | 8.1 (802.0.38)  | —          |
 
 ## References to Xcode and compiler versions in code
 When a new Xcode release is made, the following things need to be