Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -5978,9 +5978,9 @@
     }
 
     ASTContext &Ctx = S.Context;
-    auto *ASAttr = ::new (Ctx) AddressSpaceAttr(
-        Attr.getRange(), Ctx, Attr.getAttributeSpellingListIndex(),
-        static_cast<unsigned>(ASIdx));
+    auto *ASAttr = ::new (Ctx)
+        AddressSpaceAttr(Attr.getRange(), Ctx, static_cast<unsigned>(ASIdx),
+                         Attr.getAttributeSpellingListIndex());
 
     // If the expression is not value dependent (not templated), then we can
     // apply the address space qualifiers just to the equivalent type.
Index: clang/unittests/AST/ASTTraverserTest.cpp
===================================================================
--- clang/unittests/AST/ASTTraverserTest.cpp
+++ clang/unittests/AST/ASTTraverserTest.cpp
@@ -139,6 +139,8 @@
 { 
 };
 
+void parmvardecl_attr(struct A __attribute__((address_space(19)))*);
+
 )cpp");
 
   const FunctionDecl *Func = getFunctionNode(AST.get(), "func");
@@ -220,5 +222,16 @@
                     R"cpp(
 TemplateArgument
 )cpp");
+
+  Func = getFunctionNode(AST.get(), "parmvardecl_attr");
+
+  const auto *Parm = Func->getParamDecl(0);
+  const auto TL = Parm->getTypeSourceInfo()->getTypeLoc();
+  ASSERT_TRUE(TL.getType()->isPointerType());
+
+  const auto ATL = TL.getNextTypeLoc().getAs<AttributedTypeLoc>();
+  const auto *AS = cast<AddressSpaceAttr>(ATL.getAttr());
+  EXPECT_EQ(toTargetAddressSpace(static_cast<LangAS>(AS->getAddressSpace())),
+            19u);
 }
 } // namespace clang