From 4fe6a8c826bd963ed87a1b98490ed87755e34201 Mon Sep 17 00:00:00 2001
From: Mehdi Amini <mehdi.amini@apple.com>
Date: Fri, 23 Dec 2016 23:55:26 +0000
Subject: Add an assertion for cl::opt names: they can't start with '-'

llvm-svn: 290467
---
 llvm/lib/Support/CommandLine.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Support/CommandLine.cpp')

diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index fa1782c9941..0a989706b43 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -373,6 +373,7 @@ void Option::removeArgument() { GlobalParser->removeOption(this); }
 void Option::setArgStr(StringRef S) {
   if (FullyInitialized)
     GlobalParser->updateArgStr(this, S);
+  assert(S[0] != '-' && "Option can't start with '-");
   ArgStr = S;
 }
 
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