diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 5ba6be3..ce7684c 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -2446,9 +2446,12 @@
 
   // Substitute into the template arguments of the class template partial
   // specialization.
-  TemplateArgumentListInfo InstTemplateArgs; // no angle locations
-  if (SemaRef.Subst(PartialSpec->getTemplateArgsAsWritten(),
-                    PartialSpec->getNumTemplateArgsAsWritten(),
+  const ASTTemplateArgumentListInfo *TemplArgInfo
+    = PartialSpec->getTemplateArgsAsWritten();
+  TemplateArgumentListInfo InstTemplateArgs(TemplArgInfo->LAngleLoc,
+                                            TemplArgInfo->RAngleLoc);
+  if (SemaRef.Subst(TemplArgInfo->getTemplateArgs(),
+                    TemplArgInfo->NumTemplateArgs,
                     InstTemplateArgs, TemplateArgs))
     return 0;
 
@@ -2571,9 +2574,12 @@
 
   // Substitute into the template arguments of the variable template partial
   // specialization.
-  TemplateArgumentListInfo InstTemplateArgs; // no angle locations
-  if (SemaRef.Subst(PartialSpec->getTemplateArgsAsWritten(),
-                    PartialSpec->getNumTemplateArgsAsWritten(),
+  const ASTTemplateArgumentListInfo *TemplArgInfo
+    = PartialSpec->getTemplateArgsAsWritten();
+  TemplateArgumentListInfo InstTemplateArgs(TemplArgInfo->LAngleLoc,
+                                            TemplArgInfo->RAngleLoc);
+  if (SemaRef.Subst(TemplArgInfo->getTemplateArgs(),
+                    TemplArgInfo->NumTemplateArgs,
                     InstTemplateArgs, TemplateArgs))
     return 0;