Driver: Add Option flags.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66774 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/OptTable.cpp b/lib/Driver/OptTable.cpp
index 5caaace..00a949f 100644
--- a/lib/Driver/OptTable.cpp
+++ b/lib/Driver/OptTable.cpp
@@ -46,6 +46,7 @@
 }
 
 OptTable::OptTable() : Options(new Option*[numOptions]) { 
+  memset(Options, 0, sizeof(*Options) * numOptions);
 }
 
 OptTable::~OptTable() { 
@@ -108,11 +109,11 @@
   for (const char *s = info.Flags; *s; ++s) {
     switch (*s) {
     default: assert(0 && "Invalid option flag.");
-    case 'l': Opt->setLinkerInput(true); break;
-    case 'i': Opt->setNoOptAsInput(true); break;
     case 'J': Opt->setForceJoinedRender(true); break;
     case 'S': Opt->setForceSeparateRender(true); break;
-    case 'U': Opt->setUnsupported(true); break;
+    case 'i': Opt->setNoOptAsInput(true); break;
+    case 'l': Opt->setLinkerInput(true); break;
+    case 'u': Opt->setUnsupported(true); break;
     }
   }