diff --git a/clang/include/clang/Tooling/NodeIntrospection.h b/clang/include/clang/Tooling/NodeIntrospection.h
--- a/clang/include/clang/Tooling/NodeIntrospection.h
+++ b/clang/include/clang/Tooling/NodeIntrospection.h
@@ -83,7 +83,7 @@
 NodeLocationAccessors GetLocations(clang::Stmt const *Object);
 NodeLocationAccessors GetLocations(clang::Decl const *Object);
 NodeLocationAccessors GetLocations(clang::CXXCtorInitializer const *Object);
-NodeLocationAccessors GetLocations(clang::NestedNameSpecifierLoc const *);
+NodeLocationAccessors GetLocations(clang::NestedNameSpecifierLoc const &);
 NodeLocationAccessors GetLocations(clang::TemplateArgumentLoc const *);
 NodeLocationAccessors GetLocations(clang::CXXBaseSpecifier const *);
 NodeLocationAccessors GetLocations(clang::TypeLoc const &);
diff --git a/clang/lib/Tooling/CMakeLists.txt b/clang/lib/Tooling/CMakeLists.txt
--- a/clang/lib/Tooling/CMakeLists.txt
+++ b/clang/lib/Tooling/CMakeLists.txt
@@ -47,7 +47,7 @@
   return {};
 }
 NodeLocationAccessors NodeIntrospection::GetLocations(
-    clang::NestedNameSpecifierLoc const*) {
+    clang::NestedNameSpecifierLoc const&) {
   return {};
 }
 NodeLocationAccessors NodeIntrospection::GetLocations(
diff --git a/clang/lib/Tooling/DumpTool/APIData.h b/clang/lib/Tooling/DumpTool/APIData.h
--- a/clang/lib/Tooling/DumpTool/APIData.h
+++ b/clang/lib/Tooling/DumpTool/APIData.h
@@ -21,6 +21,7 @@
   std::vector<std::string> TemplateParms;
   std::vector<std::string> TypeSourceInfos;
   std::vector<std::string> TypeLocs;
+  std::vector<std::string> NestedNameLocs;
   // TODO: Extend this with locations available via typelocs etc.
 };
 
diff --git a/clang/lib/Tooling/DumpTool/ASTSrcLocProcessor.cpp b/clang/lib/Tooling/DumpTool/ASTSrcLocProcessor.cpp
--- a/clang/lib/Tooling/DumpTool/ASTSrcLocProcessor.cpp
+++ b/clang/lib/Tooling/DumpTool/ASTSrcLocProcessor.cpp
@@ -82,6 +82,8 @@
     JsonObj["typeSourceInfos"] = Obj.TypeSourceInfos;
   if (!Obj.TypeLocs.empty())
     JsonObj["typeLocs"] = Obj.TypeLocs;
+  if (!Obj.NestedNameLocs.empty())
+    JsonObj["nestedNameLocs"] = Obj.NestedNameLocs;
   return JsonObj;
 }
 
@@ -203,6 +205,8 @@
   CD.TypeSourceInfos =
       CaptureMethods("class clang::TypeSourceInfo *", ASTClass, Result);
   CD.TypeLocs = CaptureMethods("class clang::TypeLoc", ASTClass, Result);
+  CD.NestedNameLocs =
+      CaptureMethods("class clang::NestedNameSpecifierLoc", ASTClass, Result);
 
   if (const auto *DerivedFrom =
           Result.Nodes.getNodeAs<clang::CXXRecordDecl>("derivedFrom")) {
diff --git a/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py b/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
--- a/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
+++ b/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
@@ -54,7 +54,7 @@
 
     def GenerateBaseGetLocationsDeclaration(self, CladeName):
         InstanceDecoration = "*"
-        if CladeName == "TypeLoc":
+        if CladeName == "TypeLoc" or CladeName == "NestedNameSpecifierLoc":
             InstanceDecoration = "&"
 
         self.implementationContent += \
@@ -117,7 +117,8 @@
 
             self.implementationContent += '\n'
 
-        if 'typeLocs' in ClassData or 'typeSourceInfos' in ClassData:
+        if 'typeLocs' in ClassData or 'typeSourceInfos' in ClassData \
+                or 'nestedNameLocs' in ClassData:
             if CreateLocalRecursionGuard:
                 self.implementationContent += \
                     'std::vector<clang::TypeLoc> TypeLocRecursionGuard;\n'
@@ -151,6 +152,17 @@
 
                 self.implementationContent += '\n'
 
+            if 'nestedNameLocs' in ClassData:
+                for NN in ClassData['nestedNameLocs']:
+                    self.implementationContent += \
+                        """
+              if (Object.{0}())
+                GetLocationsImpl(
+                    llvm::makeIntrusiveRefCnt<LocationCall>(Prefix, "{0}"),
+                    Object.{0}(), Locs, Rngs, TypeLocRecursionGuard);
+              """.format(NN)
+
+
         self.implementationContent += '}\n'
 
     def GenerateFiles(self, OutputFile):
@@ -164,7 +176,7 @@
 
         MethodReturnType = 'NodeLocationAccessors'
         InstanceDecoration = "*"
-        if CladeName == "TypeLoc":
+        if CladeName == "TypeLoc" or CladeName == "NestedNameSpecifierLoc":
             InstanceDecoration = "&"
 
         Signature = \
@@ -196,7 +208,7 @@
             RecursionGuardParam = ', TypeLocRecursionGuard'
 
         ArgPrefix = '*'
-        if CladeName == "TypeLoc":
+        if CladeName == "TypeLoc" or CladeName == "NestedNameSpecifierLoc":
             ArgPrefix = ''
         self.implementationContent += \
             'GetLocations{0}(Prefix, {1}Object, Locs, Rngs {2});'.format(
@@ -290,7 +302,7 @@
     if (const auto *N = Node.get<{0}>())
     """.format(CladeName)
             ArgPrefix = ""
-            if CladeName == "TypeLoc":
+            if CladeName == "TypeLoc" or CladeName == "NestedNameSpecifierLoc":
                 ArgPrefix = "*"
             self.implementationContent += \
             """
@@ -351,7 +363,7 @@
   return {};
 }
 NodeLocationAccessors NodeIntrospection::GetLocations(
-    clang::NestedNameSpecifierLoc const*) {
+    clang::NestedNameSpecifierLoc const&) {
   return {};
 }
 NodeLocationAccessors NodeIntrospection::GetLocations(
diff --git a/clang/unittests/Introspection/IntrospectionTest.cpp b/clang/unittests/Introspection/IntrospectionTest.cpp
--- a/clang/unittests/Introspection/IntrospectionTest.cpp
+++ b/clang/unittests/Introspection/IntrospectionTest.cpp
@@ -205,6 +205,30 @@
 STRING_LOCATION_STDPAIR(MethodDecl, getInnerLocStart()),
 STRING_LOCATION_STDPAIR(MethodDecl, getLocation()),
 STRING_LOCATION_STDPAIR(MethodDecl, getOuterLocStart()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getLAngleLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getRAngleLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getTemplateNameLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getTypeLoc().getAs<clang::TypeSpecTypeLoc>().getNameLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getTypeLoc().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getTypeLoc().getEndLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getLParenLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getLocalRangeBegin()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getLocalRangeEnd()),
@@ -214,6 +238,14 @@
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getTemplateNameLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getBeginLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalEndLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getBeginLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getEndLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getNextTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getLAngleLoc()),
@@ -228,6 +260,14 @@
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getTemplateNameLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getBeginLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getEndLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalBeginLoc()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalEndLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getBeginLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getEndLoc()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getNextTypeLoc().getAs<clang::TemplateSpecializationTypeLoc>().getLAngleLoc()),
@@ -252,12 +292,28 @@
       (ArrayRef<std::pair<std::string, SourceRange>>{
 STRING_LOCATION_STDPAIR(MethodDecl, getExceptionSpecSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getParametersSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getPrefix().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getPrefix().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getPrefix().getTypeLoc().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getTypeLoc().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getQualifierLoc().getTypeLoc().getSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getReturnTypeSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getExceptionSpecRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getParensRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getNextTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getAs<clang::FunctionTypeLoc>().getReturnLoc().getNextTypeLoc().getSourceRange()),
@@ -265,6 +321,10 @@
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getNamedTypeLoc().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getLocalSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getPrefix().getSourceRange()),
+STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getAs<clang::ElaboratedTypeLoc>().getQualifierLoc().getSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getNextTypeLoc().getLocalSourceRange()),
 STRING_LOCATION_STDPAIR(MethodDecl, getTypeSourceInfo()->getTypeLoc().getNextTypeLoc().getNextTypeLoc().getSourceRange()),
@@ -298,28 +358,36 @@
 
   const auto *NNS = BoundNodes[0].getNodeAs<NestedNameSpecifierLoc>("nns");
 
-  auto Result = NodeIntrospection::GetLocations(NNS);
+  auto Result = NodeIntrospection::GetLocations(*NNS);
 
   auto ExpectedLocations =
       FormatExpected<SourceLocation>(Result.LocationAccessors);
 
-  EXPECT_THAT(
+  llvm::sort(ExpectedLocations);
+
+  EXPECT_EQ(
       ExpectedLocations,
-      UnorderedElementsAre(
-          STRING_LOCATION_PAIR(NNS, getBeginLoc()),
-          STRING_LOCATION_PAIR(NNS, getEndLoc()),
-          STRING_LOCATION_PAIR(NNS, getLocalBeginLoc()),
-          STRING_LOCATION_PAIR(NNS, getLocalEndLoc()),
-          STRING_LOCATION_PAIR(
+      (std::vector<std::pair<std::string, SourceLocation>>{
+          STRING_LOCATION_STDPAIR(NNS, getBeginLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getEndLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getLocalBeginLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getLocalEndLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getPrefix().getBeginLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getPrefix().getEndLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getPrefix().getLocalBeginLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getPrefix().getLocalEndLoc()),
+          STRING_LOCATION_STDPAIR(
               NNS, getTypeLoc().getAs<clang::TypeSpecTypeLoc>().getNameLoc()),
-          STRING_LOCATION_PAIR(NNS, getTypeLoc().getBeginLoc()),
-          STRING_LOCATION_PAIR(NNS, getTypeLoc().getEndLoc())));
+          STRING_LOCATION_STDPAIR(NNS, getTypeLoc().getBeginLoc()),
+          STRING_LOCATION_STDPAIR(NNS, getTypeLoc().getEndLoc())}));
 
   auto ExpectedRanges = FormatExpected<SourceRange>(Result.RangeAccessors);
 
   EXPECT_THAT(
       ExpectedRanges,
       UnorderedElementsAre(
+          STRING_LOCATION_PAIR(NNS, getPrefix().getLocalSourceRange()),
+          STRING_LOCATION_PAIR(NNS, getPrefix().getSourceRange()),
           STRING_LOCATION_PAIR(NNS, getLocalSourceRange()),
           STRING_LOCATION_PAIR(NNS, getSourceRange()),
           STRING_LOCATION_PAIR(NNS, getTypeLoc().getSourceRange()),