1 files changed, 3 insertions, 1 deletions
diff --git a/src/passes/OptimizeInstructions.cpp b/src/passes/OptimizeInstructions.cpp
index 56c99984a..dd088b03b 100644
--- a/src/passes/OptimizeInstructions.cpp
+++ b/src/passes/OptimizeInstructions.cpp
@@ -121,7 +121,9 @@ struct LocalScanner : PostWalker<LocalScanner> {
   Index getMaxBitsForLocal(LocalGet* get) { return getBitsForType(get->type); }
 
   Index getBitsForType(Type type) {
-    TODO_SINGLE_COMPOUND(type);
+    if (!type.isBasic()) {
+      return -1;
+    }
     switch (type.getBasic()) {
       case Type::i32:
         return 32;