Use const modifier when dealing with types (#3064)

Since they make the code clearer and more self-documenting.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/asmjs/asm_v_wasm.cpp b/src/asmjs/asm_v_wasm.cpp
index fca6284c6..a6ffd4cc2 100644
--- a/src/asmjs/asm_v_wasm.cpp
+++ b/src/asmjs/asm_v_wasm.cpp
@@ -104,7 +104,7 @@ std::string getSig(Type results, Type params) {
   assert(!results.isMulti());
   std::string sig;
   sig += getSig(results);
-  for (auto& param : params) {
+  for (const auto& param : params) {
     sig += getSig(param);
   }
   return sig;