Index: lib/Sema/SemaTemplateInstantiateDecl.cpp
===================================================================
--- lib/Sema/SemaTemplateInstantiateDecl.cpp	(revision 227581)
+++ lib/Sema/SemaTemplateInstantiateDecl.cpp	(working copy)
@@ -4506,8 +4506,14 @@
 
     NamedDecl *Result = nullptr;
     if (D->getDeclName()) {
-      DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName());
-      Result = findInstantiationOf(Context, D, Found.begin(), Found.end());
+      if (isa<CXXDestructorDecl>(D)) {
+        if (CXXRecordDecl *Spec = dyn_cast<CXXRecordDecl>(ParentDC))
+          if (!Spec->isDependentContext())
+            Result = LookupDestructor(Spec);
+      } else {
+          DeclContext::lookup_result Found = ParentDC->lookup(D->getDeclName());
+          Result = findInstantiationOf(Context, D, Found.begin(), Found.end());
+      }
     } else {
       // Since we don't have a name for the entity we're looking for,
       // our only option is to walk through all of the declarations to
Index: lib/Sema/TreeTransform.h
===================================================================
--- lib/Sema/TreeTransform.h	(revision 227581)
+++ lib/Sema/TreeTransform.h	(working copy)
@@ -7658,12 +7658,15 @@
   // base (and therefore couldn't do the check) and a
   // nested-name-qualifier (and therefore could do the lookup).
   NamedDecl *FirstQualifierInScope = nullptr;
-
+    DeclarationNameInfo NameInfo = !isa<CXXDestructorDecl>(FoundDecl)
+                                      ? E->getMemberNameInfo()
+                                      : DeclarationNameInfo(FoundDecl->getDeclName(),
+                                                            FoundDecl->getLocation());
   return getDerived().RebuildMemberExpr(Base.get(), FakeOperatorLoc,
                                         E->isArrow(),
                                         QualifierLoc,
                                         TemplateKWLoc,
-                                        E->getMemberNameInfo(),
+                                        NameInfo,
                                         Member,
                                         FoundDecl,
                                         (E->hasExplicitTemplateArgs()
Index: test/SemaCXX/instantiate-explicit-destructor-call.cpp
===================================================================
--- test/SemaCXX/instantiate-explicit-destructor-call.cpp	(revision 0)
+++ test/SemaCXX/instantiate-explicit-destructor-call.cpp	(working copy)
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify  %s
+// expected-no-diagnostics
+
+// pr22394
+typedef __SIZE_TYPE__ size_t;
+template<class T> class foo
+{
+public:
+    inline foo() { }
+    inline ~ foo() { }
+
+    void *operator new(size_t n, foo*);
+    inline foo &operator = (const foo &rhs)
+    {
+        foo::~foo();
+        new (this) foo (rhs);
+        return *this;
+    }
+};
+
+int main(int argc, char * argv[])
+{
+    foo<int> a;
+    foo<int> b;
+    b = a;
+}