[clang-cl] Add fallback support for /Zl

llvm-svn: 243207
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index f99c818..96cf7fc 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -8869,6 +8869,7 @@
   Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LD);
   Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LDd);
   Args.AddAllArgs(CmdArgs, options::OPT__SLASH_EH);
+  Args.AddAllArgs(CmdArgs, options::OPT__SLASH_Zl);
 
   // The order of these flags is relevant, so pick the last one.
   if (Arg *A = Args.getLastArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd,