1 files changed, 4 insertions, 2 deletions
diff --git a/src/passes/Precompute.cpp b/src/passes/Precompute.cpp
index 5baf2331f..89e618ab3 100644
--- a/src/passes/Precompute.cpp
+++ b/src/passes/Precompute.cpp
@@ -799,9 +799,11 @@ private:
     if (type.isFunction()) {
       return true;
     }
-    // We can emit a StringConst for a string constant.
+    // We can emit a StringConst for a string constant in principle, but we do
+    // not want to as that might cause more allocations to happen. See similar
+    // code in SimplifyGlobals.
     if (type.isString()) {
-      return true;
+      return false;
     }
     // All other reference types cannot be precomputed. Even an immutable GC
     // reference is not currently something this pass can handle, as it will