Make a few more static string pointers constant.

[oota-llvm.git] / lib / Option / Option.cpp

diff --git a/lib/Option/Option.cpp b/lib/Option/Option.cpp
index 003f07f0373aa4157e19183073e68a523107b2af..f1b7941e498293b6b30e679839f5f3b5a17359cd 100644 (file)
--- a/lib/Option/Option.cpp
+++ b/lib/Option/Option.cpp
@@ -8,13 +8,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Option/Option.h"
-
 #include "llvm/ADT/Twine.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/ErrorHandling.h"
-
+#include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <cassert>
 
@@ -52,11 +50,13 @@ void Option::dump() const {
 #undef P
   }
 
-  llvm::errs() << " Prefixes:[";
-  for (const char * const *Pre = Info->Prefixes; *Pre != 0; ++Pre) {
-    llvm::errs() << '"' << *Pre << (*(Pre + 1) == 0 ? "\"" : "\", ");
+  if (Info->Prefixes) {
+    llvm::errs() << " Prefixes:[";
+    for (const char * const *Pre = Info->Prefixes; *Pre != 0; ++Pre) {
+      llvm::errs() << '"' << *Pre << (*(Pre + 1) == 0 ? "\"" : "\", ");
+    }
+    llvm::errs() << ']';
   }
-  llvm::errs() << ']';
 
   llvm::errs() << " Name:\"" << getName() << '"';