Fix typo in r140954.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140962 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/X86DisassemblerTables.cpp b/utils/TableGen/X86DisassemblerTables.cpp
index 14de368..ac867dc 100644
--- a/utils/TableGen/X86DisassemblerTables.cpp
+++ b/utils/TableGen/X86DisassemblerTables.cpp
@@ -51,7 +51,6 @@
     return inheritsFrom(child, IC_64BIT_OPSIZE);
   case IC_XD:
     return inheritsFrom(child, IC_64BIT_XD);
-           inheritsFrom(child, IC_XD_OPSIZE);
   case IC_XS:
     return inheritsFrom(child, IC_64BIT_XS);
   case IC_XD_OPSIZE: