1 files changed, 11 insertions, 0 deletions
diff --git a/lld/lib/Driver/WinLinkDriver.cpp b/lld/lib/Driver/WinLinkDriver.cpp
index a312eb2a126..64ad9cba853 100644
--- a/lld/lib/Driver/WinLinkDriver.cpp
+++ b/lld/lib/Driver/WinLinkDriver.cpp
@@ -363,6 +363,11 @@ bool WinLinkDriver::parse(int argc, const char *argv[],
       ctx.setAllowRemainingUndefines(true);
       break;
 
+    case OPT_no_ref:
+      // Handle /opt:noref
+      ctx.setDeadStripping(false);
+      break;
+
     case OPT_no_nxcompat:
       // handle /nxcompat:no
       ctx.setNxCompat(false);
@@ -425,6 +430,12 @@ bool WinLinkDriver::parse(int argc, const char *argv[],
   if (ctx.entrySymbolName().empty())
     setDefaultEntrySymbolName(ctx);
 
+  // Specifying both /opt:ref and /opt:noref is an error.
+  if (parsedArgs->getLastArg(OPT_ref) && parsedArgs->getLastArg(OPT_no_ref)) {
+    diagnostics << "/opt:ref must not be specified with /opt:noref\n";
+    return true;
+  }
+
   // Arguments after "--" are interpreted as filenames even if they
   // start with a hypen or a slash. This is not compatible with link.exe
   // but useful for us to test lld on Unix.