Bump Swift version to '2.2'.

Author: tkremenek

CMakeLists.txt

@@ -62,7 +62,7 @@ option(SWIFT_ENABLE_TARGET_TVOS
     "Enable compiler support for targeting tvOS"
     TRUE)
 
-set(SWIFT_VERSION "2.1" CACHE STRING
+set(SWIFT_VERSION "2.2" CACHE STRING
     "The user-visible version of the Swift compiler")
 set(SWIFT_VENDOR "" CACHE STRING
     "The vendor name of the Swift compiler")

docs/conf.py

@@ -47,9 +47,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.1'
+version = '2.2'
 # The full version, including alpha/beta/rc tags.
-release = '2.1'
+release = '2.2'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

utils/build-script-impl

@@ -1284,7 +1284,7 @@ for deployment_target in "${NATIVE_TOOLS_DEPLOYMENT_TARGETS[@]}" "${CROSS_TOOLS_
         apple)
             # User-visible versions of the compiler.
             CLANG_USER_VISIBLE_VERSION="6.1.0"
-            SWIFT_USER_VISIBLE_VERSION="2.1"
+            SWIFT_USER_VISIBLE_VERSION="2.2"
 
             llvm_cmake_options=(
                 "${llvm_cmake_options[@]}"