2 files changed, 24 insertions, 1 deletions
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index 8a452c26efc..cff5ac66ca6 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -8092,8 +8092,11 @@ ASTImporter::Import_New(NestedNameSpecifierLoc FromNNS) {
 
     case NestedNameSpecifier::TypeSpec:
     case NestedNameSpecifier::TypeSpecWithTemplate: {
+      SourceLocation ToTLoc;
+      if (Error Err = importInto(ToTLoc, NNS.getTypeLoc().getBeginLoc()))
+        return std::move(Err);
       TypeSourceInfo *TSI = getToContext().getTrivialTypeSourceInfo(
-            QualType(Spec->getAsType(), 0));
+            QualType(Spec->getAsType(), 0), ToTLoc);
       Builder.Extend(getToContext(), ToLocalBeginLoc, TSI->getTypeLoc(),
                      ToLocalEndLoc);
       break;
diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
index ebab02f5002..ca59bc0c474 100644
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -1232,6 +1232,26 @@ TEST_P(ImportExpr, DependentSizedArrayType) {
           has(fieldDecl(hasType(dependentSizedArrayType())))))));
 }
 
+TEST_P(ASTImporterOptionSpecificTestBase, ImportBeginLocOfDeclRefExpr) {
+  Decl *FromTU = getTuDecl(
+      "class A { public: static int X; }; void f() { (void)A::X; }", Lang_CXX);
+  auto From = FirstDeclMatcher<FunctionDecl>().match(
+      FromTU, functionDecl(hasName("f")));
+  ASSERT_TRUE(From);
+  ASSERT_TRUE(
+      cast<CStyleCastExpr>(cast<CompoundStmt>(From->getBody())->body_front())
+          ->getSubExpr()
+          ->getBeginLoc()
+          .isValid());
+  FunctionDecl *To = Import(From, Lang_CXX);
+  ASSERT_TRUE(To);
+  ASSERT_TRUE(
+      cast<CStyleCastExpr>(cast<CompoundStmt>(To->getBody())->body_front())
+          ->getSubExpr()
+          ->getBeginLoc()
+          .isValid());
+}
+
 TEST_P(ASTImporterOptionSpecificTestBase,
        ImportOfTemplatedDeclOfClassTemplateDecl) {
   Decl *FromTU = getTuDecl("template<class X> struct S{};", Lang_CXX);