1 files changed, 4 insertions, 0 deletions
diff --git a/src/passes/RedundantSetElimination.cpp b/src/passes/RedundantSetElimination.cpp
index a63866111..8c00a0880 100644
--- a/src/passes/RedundantSetElimination.cpp
+++ b/src/passes/RedundantSetElimination.cpp
@@ -49,6 +49,8 @@ namespace wasm {
 // its current value
 typedef std::vector<Index> LocalValues;
 
+namespace {
+
 // information in a basic block
 struct Info {
   LocalValues start, end; // the local values at the start and end of the block
@@ -366,6 +368,8 @@ struct RedundantSetElimination : public WalkerPass<CFGWalker<RedundantSetElimina
   }
 };
 
+} // namespace
+
 Pass *createRedundantSetEliminationPass() {
   return new RedundantSetElimination();
 }