Turn on wasm flags all the time, add a reference from wasm functions to the module.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 1e11e1762834848d49346e63fb1da0cd51c476fe..c7b822293c1a8ae685fba6ad605fb1b44ef1d309 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -269,8 +269,9 @@ class CompilationInfo {
   bool is_first_compile() const { return GetFlag(kFirstCompile); }
 
   bool IsCodePreAgingActive() const {
+    // TODO(bradnelson): Figure out why this breaks wasm.
     return FLAG_optimize_for_size && FLAG_age_code && !will_serialize() &&
-           !is_debug();
+           !is_debug() && !FLAG_expose_wasm;
   }
 
   void EnsureFeedbackVector();