Use lazy parsing in LTO. Unfortunately this is only a 3% time saving for
'ar'. Have to figure out how to make libLTO even lazier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index 6739e06..ffe244d 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -87,6 +87,10 @@
 
 bool LTOCodeGenerator::addModule(LTOModule* mod, std::string& errMsg)
 {
+
+  if(mod->getLLVVMModule()->MaterializeAllPermanently(&errMsg))
+    return true;
+
   bool ret = _linker.LinkInModule(mod->getLLVVMModule(), &errMsg);
 
   const std::vector<const char*> &undefs = mod->getAsmUndefinedRefs();