1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/Index/USRGeneration.cpp b/clang/lib/Index/USRGeneration.cpp
index 6bdddcc6967c..c78d66f9502d 100644
--- a/clang/lib/Index/USRGeneration.cpp
+++ b/clang/lib/Index/USRGeneration.cpp
@@ -931,7 +931,8 @@ void USRGenerator::VisitType(QualType T) {
         VisitObjCProtocolDecl(Prot);
       return;
     }
-    if (const TemplateTypeParmType *TTP = T->getAs<TemplateTypeParmType>()) {
+    if (const TemplateTypeParmType *TTP =
+            T->getAsCanonical<TemplateTypeParmType>()) {
       Out << 't' << TTP->getDepth() << '.' << TTP->getIndex();
       return;
     }