Automatically discard global effects in the rare passes that add effects (#5999)

All logging/instrumentation passes need to do this, to avoid us using stale
global effects that are too low (too high is not optimal either, but at least it
cannot cause bugs).

1 files changed, 2 insertions, 0 deletions

diff --git a/src/passes/SafeHeap.cpp b/src/passes/SafeHeap.cpp
index 0e9e8aeef..b2f7db567 100644
--- a/src/passes/SafeHeap.cpp
+++ b/src/passes/SafeHeap.cpp
@@ -131,6 +131,8 @@ static std::set<Name> findCalledFunctions(Module* module, Name startFunc) {
 }
 
 struct SafeHeap : public Pass {
+  // Adds calls to new imports.
+  bool addsEffects() override { return true; }
 
   void run(Module* module) override {
     assert(!module->memories.empty());