1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index d3f91a4e273..a9db973851d 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -1589,7 +1589,7 @@ bool LookupResult::isVisibleSlow(Sema &SemaRef, NamedDecl *D) {
     return false;
 
   // Find the extra places where we need to look.
-  llvm::DenseSet<Module*> &LookupModules = SemaRef.getLookupModules();
+  const auto &LookupModules = SemaRef.getLookupModules();
   if (LookupModules.empty())
     return false;
 
@@ -1604,7 +1604,8 @@ bool LookupResult::isVisibleSlow(Sema &SemaRef, NamedDecl *D) {
   // Check whether DeclModule is transitively exported to an import of
   // the lookup set.
   return std::any_of(LookupModules.begin(), LookupModules.end(),
-                     [&](Module *M) { return M->isModuleVisible(DeclModule); });
+                     [&](const Module *M) {
+                       return M->isModuleVisible(DeclModule); });
 }
 
 bool Sema::isVisibleSlow(const NamedDecl *D) {