Add DINameSpace::Verify().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103318 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 56c9b21..7bbae59 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -350,6 +350,17 @@
   return DbgNode->getNumOperands() == 4;
 }
 
+/// Verify - Verify that a namespace descriptor is well formed.
+bool DINameSpace::Verify() const {
+  if (!DbgNode)
+    return false;
+  if (getName().empty())
+    return false;
+  if (!getCompileUnit().Verify())
+    return false;
+  return true;
+}
+
 /// getOriginalTypeSize - If this type is derived from a base type then
 /// return base type size.
 uint64_t DIDerivedType::getOriginalTypeSize() const {