From eb11fae6d08f479c0799db45860a98af528fa6e7 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 28 Jul 2018 10:51:19 +0000
Subject: Vendor import of llvm trunk r338150:
 https://llvm.org/svn/llvm-project/llvm/trunk@338150

---
 lib/ToolDrivers/llvm-lib/LibDriver.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/ToolDrivers/llvm-lib/LibDriver.cpp')

diff --git a/lib/ToolDrivers/llvm-lib/LibDriver.cpp b/lib/ToolDrivers/llvm-lib/LibDriver.cpp
index f5cf848aa8c7..d636dca7a2c7 100644
--- a/lib/ToolDrivers/llvm-lib/LibDriver.cpp
+++ b/lib/ToolDrivers/llvm-lib/LibDriver.cpp
@@ -121,6 +121,12 @@ int llvm::libDriverMain(ArrayRef<const char *> ArgsArr) {
   for (auto *Arg : Args.filtered(OPT_UNKNOWN))
     llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";
 
+  // Handle /help
+  if (Args.hasArg(OPT_help)) {
+    Table.PrintHelp(outs(), ArgsArr[0], "LLVM Lib");
+    return 0;
+  }
+
   // If no input files, silently do nothing to match lib.exe.
   if (!Args.hasArgNoClaim(OPT_INPUT))
     return 0;
-- 
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