[X86][AsmParser] Add mnemonics missed in r360954.

These are valid Jcc, but aren't based on the EFLAGS condition codes (Intel 64
and IA-32 Architetcures Software Developer's Manual Vol. 1, Appendix B). These
are covered in clang/test, but not llvm/test.

llvm-svn: 360960

llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp

@@ -2381,7 +2381,8 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
 
   // Hack to skip "short" following Jcc.
   if (isParsingIntelSyntax() &&
-      (PatchedName == "jmp" ||
+      (PatchedName == "jmp" || PatchedName == "jc" || PatchedName == "jnc" ||
+       PatchedName == "jcxz" || PatchedName == "jexcz" ||
        (PatchedName.startswith("j") &&
         ParseConditionCode(PatchedName.substr(1)) != X86::COND_INVALID))) {
     StringRef NextTok = Parser.getTok().getString();