[LLD][COFF] Add support for /dont-create-pdb option

Author: gmh5225

lld/COFF/Driver.cpp

@@ -1761,7 +1761,11 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
                       args.hasArg(OPT_driver_wdm_uponly);
   config->driver |=
       config->driverUponly || config->driverWdm || args.hasArg(OPT_driver);
-          
+
+  // Handle /dont-create-pdb
+  if (args.hasArg(OPT_dont_create_pdb))
+    shouldCreatePDB = false;
+
   // Handle /pdb
   if (shouldCreatePDB) {
     if (auto *arg = args.getLastArg(OPT_pdb))

lld/COFF/Options.td

@@ -30,7 +30,8 @@ multiclass B_priv<string name> {
 
 def dont_merge_sections: F<"dont-merge-sections">,
     HelpText<"Each data directory will have its own section">;
-
+def dont_create_pdb: F<"dont-create-pdb">,
+    HelpText<"Do not create pdb">;
 def align   : P<"align", "Section alignment">;
 def aligncomm : P<"aligncomm", "Set common symbol alignment">;
 def alternatename : P<"alternatename", "Define weak alias">;