Fix a bug in my earlier commit which exposed positional options backwards.

This fixes llvm-ar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35727 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index e349eaa514c425a673f7e30a9db3480ebfbd2b31..768bd6c05b6cf9aeca4e6290a5e5f2d63ea295ea 100644 (file)
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -91,6 +91,7 @@ void Option::addArgument() {
 static void GetOptionInfo(std::vector<Option*> &PositionalOpts,
                           std::map<std::string, Option*> &OptionsMap) {
   std::vector<const char*> OptionNames;
+  Option *CAOpt = 0;  // The ConsumeAfter option if it exists.
   for (Option *O = RegisteredOptionList; O; O = O->getNextRegisteredOption()) {
     // If this option wants to handle multiple option names, get the full set.
     // This handles enum options like "-O1 -O2" etc.
@@ -114,12 +115,17 @@ static void GetOptionInfo(std::vector<Option*> &PositionalOpts,
     if (O->getFormattingFlag() == cl::Positional)
       PositionalOpts.push_back(O);
     else if (O->getNumOccurrencesFlag() == cl::ConsumeAfter) {
-      if (!PositionalOpts.empty() &&
-          PositionalOpts.front()->getNumOccurrencesFlag() == cl::ConsumeAfter)
+      if (CAOpt)
         O->error("Cannot specify more than one option with cl::ConsumeAfter!");
-      PositionalOpts.insert(PositionalOpts.begin(), O);
+      CAOpt = O;
     }
   }
+  
+  if (CAOpt)
+    PositionalOpts.push_back(CAOpt);
+  
+  // Make sure that they are in order of registration not backwards.
+  std::reverse(PositionalOpts.begin(), PositionalOpts.end());
 }