[lld] r226706 - Fix runtime error on Windows.

[Rui Ueyama]

Author: ruiu
Date: Wed Jan 21 16:16:17 2015
New Revision: 226706

URL: http://llvm.org/viewvc/llvm-project?rev=226706&view=rev
Log:
Fix runtime error on Windows.

I believe the original code is valid, but on Windows it failed with an
assertion error saying "Expression: vector iterator is not decrementable."
Don't use rbegin and rend to workaround that error.

Modified:
    lld/trunk/lib/Core/Resolver.cpp

Modified: lld/trunk/lib/Core/Resolver.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Core/Resolver.cpp?rev=226706&r1=226705&r2=226706&view=diff
==============================================================================
--- lld/trunk/lib/Core/Resolver.cpp (original)
+++ lld/trunk/lib/Core/Resolver.cpp Wed Jan 21 16:16:17 2015
@@ -276,8 +276,8 @@ File *Resolver::getFile(int &index) {
 // Make a map of Symbol -> ArchiveFile.
 void Resolver::makePreloadArchiveMap() {
   std::vector<std::unique_ptr<Node>> &nodes = _context.getNodes();
-  for (auto it = nodes.rbegin(), e = nodes.rend(); it != e; ++it)
-    if (auto *fnode = dyn_cast<FileNode>(it->get()))
+  for (int i = nodes.size() - 1; i >= 0; --i)
+    if (auto *fnode = dyn_cast<FileNode>(nodes[i].get()))
       if (auto *archive = dyn_cast<ArchiveLibraryFile>(fnode->getFile()))
         for (StringRef sym : archive->getDefinedSymbols())
           _archiveMap[sym] = archive;