Support -malign-double option

include/clang/Driver/Options.td

Index: include/clang/Driver/Options.td
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 714943d2b187661c4b05ec8ba86f3eeeb8273e41..42b3a41e5cb427eb980662d183317b417b326a4a 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -1227,6 +1227,8 @@ def mno_prfchw : Flag<["-"], "mno-prfchw">, Group<m_x86_Features_Group>;
 def mno_rdseed : Flag<["-"], "mno-rdseed">, Group<m_x86_Features_Group>;
 def mno_adx : Flag<["-"], "mno-adx">, Group<m_x86_Features_Group>;
 def mno_sha : Flag<["-"], "mno-sha">, Group<m_x86_Features_Group>;
+def malign_double : Flag<["-"], "malign-double">,  Group<m_x86_Features_Group>; // @LOCALMOD
+def mnoalign_double : Flag<["-"], "mno-align-double">,  Group<m_x86_Features_Group>; // @LOCALMOD
 
 def munaligned_access : Flag<["-"], "munaligned-access">, Group<m_arm_Features_Group>,
   HelpText<"Allow memory accesses to be unaligned (AArch32/AArch64 only)">;