Regenerate ClangCommandLineReference.rst

$ bin/clang-tblgen -gen-opt-docs -I../cfe.src/include \
    -I../cfe.src/include/clang/Driver -I../llvm.src/include \
    ../cfe.src/include/clang/Driver/ClangOptionDocs.td \
    -o ../cfe.src/docs/ClangCommandLineReference.rst


git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@325793 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ClangCommandLineReference.rst

@@ -706,6 +706,10 @@ Print source range spans in numeric form
 
 .. option:: -fdiagnostics-show-category=<arg>
 
+.. option:: -fexperimental-isel, -fno-experimental-isel
+
+Enables the experimental global instruction selector
+
 .. option:: -fexperimental-new-pass-manager, -fno-experimental-new-pass-manager
 
 Enables an experimental new pass manager in LLVM.
@@ -2414,6 +2418,10 @@ X86
 
 .. option:: -mrdseed, -mno-rdseed
 
+.. option:: -mretpoline, -mno-retpoline
+
+.. option:: -mretpoline-external-thunk, -mno-retpoline-external-thunk
+
 .. option:: -mrtm, -mno-rtm
 
 .. option:: -msgx, -mno-sgx