diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -3575,6 +3575,10 @@
           AllPODFields = false;
 
         Base = SubME->getBase();
+
+        if (CXXOperatorCallExpr *COCE = dyn_cast<CXXOperatorCallExpr>(Base))
+          if (COCE->getNumArgs() > 0)
+            Base = COCE->getArg(0);
       }
 
       if (!isa<CXXThisExpr>(Base->IgnoreParenImpCasts()))
diff --git a/clang/test/SemaCXX/uninitialized.cpp b/clang/test/SemaCXX/uninitialized.cpp
--- a/clang/test/SemaCXX/uninitialized.cpp
+++ b/clang/test/SemaCXX/uninitialized.cpp
@@ -1303,6 +1303,20 @@
       d3{ d3.b, num } // expected-warning{{uninitialized}}
     {}
   };
+  
+  struct E {
+    E();
+    E foo();
+    E* operator->();
+  };
+
+  struct F { F(E); };
+
+  struct EFComposed {
+    F f;
+    E e;
+    EFComposed() : f{ e->foo() }, e() {} // expected-warning{{uninitialized}}
+  };
 }
 
 namespace template_class {