Do not assert fail for unhandled decls with no origin

The assertion will be enabled once we have enough C++ coverage

Author: usx95

clang/lib/Analysis/LifetimeSafety.cpp

@@ -148,7 +148,12 @@ class OriginManager {
 
   OriginID get(const ValueDecl &D) {
     auto It = DeclToOriginID.find(&D);
-    assert(It != DeclToOriginID.end());
+    // TODO: This should be an assert(It != ExprToOriginID.end()). The current
+    // implementation falls back to getOrCreate to avoid crashing on
+    // yet-unhandled pointer expressions, creating an empty origin for them.
+    if (It == DeclToOriginID.end())
+      return getOrCreate(D);
+
     return It->second;
   }