1 files changed, 4 insertions, 0 deletions
diff --git a/src/parser/parse-3-implicit-types.cpp b/src/parser/parse-3-implicit-types.cpp
index 3a3a867e1..cf13ae0f7 100644
--- a/src/parser/parse-3-implicit-types.cpp
+++ b/src/parser/parse-3-implicit-types.cpp
@@ -29,6 +29,10 @@ parseImplicitTypeDefs(ParseDeclsCtx& decls,
     WithPosition with(ctx, pos);
     CHECK_ERR(typeuse(ctx));
   }
+  // Record type indices now that all the types have been parsed.
+  for (Index i = 0; i < types.size(); ++i) {
+    decls.wasm.typeIndices.insert({types[i], i});
+  }
   return Ok{};
 }