diff --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp
--- a/clang/lib/AST/Type.cpp
+++ b/clang/lib/AST/Type.cpp
@@ -3385,7 +3385,7 @@
     epi.ExceptionSpec.NoexceptExpr->Profile(ID, Context, Canonical);
   } else if (epi.ExceptionSpec.Type == EST_Uninstantiated ||
              epi.ExceptionSpec.Type == EST_Unevaluated) {
-    ID.AddPointer(epi.ExceptionSpec.SourceDecl->getCanonicalDecl());
+    ID.AddPointer(epi.ExceptionSpec.SourceDecl);
   }
   if (epi.ExtParameterInfos) {
     for (unsigned i = 0; i != NumParams; ++i)