Implement the default constructor which causes the current program to be
opened as if it was a dynamic library so its symbols can be searched too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/DynamicLibrary.cpp b/lib/System/DynamicLibrary.cpp
index ca7bee6..477e305 100644
--- a/lib/System/DynamicLibrary.cpp
+++ b/lib/System/DynamicLibrary.cpp
@@ -28,6 +28,16 @@
 
 #ifdef HAVE_LT_DLOPEN
 
+DynamicLibrary::DynamicLibrary() : handle(0) {
+  if (0 != lt_dlinit())
+    throw std::string(lt_dlerror());
+
+  handle = lt_dlopen(0);
+
+  if (handle == 0)
+    throw std::string("Can't open program as dynamic library");
+}
+
 DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
   if (0 != lt_dlinit())
     throw std::string(lt_dlerror());