Add -mno-implicit-float to the M group.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157014 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 38026fc..48f2b1a 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -800,7 +800,7 @@
 def msmall_data_threshold_EQ : Joined <"-msmall-data-threshold=">, Group<m_Group>;
 def msoft_float : Flag<"-msoft-float">, Group<m_Group>, Flags<[CC1Option]>,
   HelpText<"Use software floating point">;
-def mno_implicit_float : Flag<"-mno-implicit-float">,
+def mno_implicit_float : Flag<"-mno-implicit-float">, Group<m_Group>,
   HelpText<"Don't generate implicit floating point instructions">;
 def msse2 : Flag<"-msse2">, Group<m_x86_Features_Group>;
 def msse3 : Flag<"-msse3">, Group<m_x86_Features_Group>;