diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -8094,8 +8094,6 @@
         return ToTOrErr.takeError();
     }
     To->setInherited(From->isInherited());
-    To->setPackExpansion(From->isPackExpansion());
-    To->setImplicit(From->isImplicit());
     ToAttr = To;
     break;
   }
@@ -8106,8 +8104,11 @@
     ToAttr->setRange(ToRange);
     break;
   }
+  ToAttr->setAttributeSpellingListIndex(
+      FromAttr->getAttributeSpellingListIndex());
+  ToAttr->setPackExpansion(FromAttr->isPackExpansion());
+  ToAttr->setImplicit(FromAttr->isImplicit());
   assert(ToAttr && "Attribute should be created.");
-  
   return ToAttr;
 }
 
diff --git a/clang/test/ASTMerge/attr/Inputs/RestrictAttr.cpp b/clang/test/ASTMerge/attr/Inputs/RestrictAttr.cpp
new file mode 100644
--- /dev/null
+++ b/clang/test/ASTMerge/attr/Inputs/RestrictAttr.cpp
@@ -0,0 +1,2 @@
+void *foo(unsigned, unsigned)
+__attribute__((__malloc__));
diff --git a/clang/test/ASTMerge/attr/testRestrictAttr.cpp b/clang/test/ASTMerge/attr/testRestrictAttr.cpp
new file mode 100644
--- /dev/null
+++ b/clang/test/ASTMerge/attr/testRestrictAttr.cpp
@@ -0,0 +1,2 @@
+// RUN: %clang -x c++-header -o %t.a.ast %S/Inputs/RestrictAttr.cpp
+// RUN: %clang_cc1 -x c++ -ast-merge %t.a.ast /dev/null -ast-dump
diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -5767,6 +5767,31 @@
   EXPECT_TRUE(ToA);
 }
 
+TEST_P(ASTImporterOptionSpecificTestBase, ImportRestrictAttr) {
+  Decl *FromTU = getTuDecl(
+      R"(
+      void *foo(unsigned, unsigned)
+     __attribute__((__malloc__));
+      )",
+      Lang_CXX03, "input.cc");
+  auto *FromD = FirstDeclMatcher<FunctionDecl>().match(
+      FromTU, functionDecl(hasName("foo")));
+  ASSERT_TRUE(FromD);
+
+  auto *ToD = Import(FromD, Lang_CXX03);
+  ASSERT_TRUE(ToD);
+  ToD->dump(); // Should not crash!
+
+  auto *FromAttr = FromD->getAttr<RestrictAttr>();
+  auto *ToAttr = ToD->getAttr<RestrictAttr>();
+  EXPECT_EQ(FromAttr->isInherited(), ToAttr->isInherited());
+  EXPECT_EQ(FromAttr->isPackExpansion(), ToAttr->isPackExpansion());
+  EXPECT_EQ(FromAttr->isImplicit(), ToAttr->isImplicit());
+  EXPECT_EQ(FromAttr->getSyntax(), ToAttr->getSyntax());
+  EXPECT_EQ(FromAttr->getAttributeSpellingListIndex(),
+            ToAttr->getAttributeSpellingListIndex());
+}
+
 template <typename T>
 auto ExtendWithOptions(const T &Values, const std::vector<std::string> &Args) {
   auto Copy = Values;