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-rw-r--r--src/passes/LogExecution.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/passes/LogExecution.cpp b/src/passes/LogExecution.cpp
index 63ada5819..1b90842bc 100644
--- a/src/passes/LogExecution.cpp
+++ b/src/passes/LogExecution.cpp
@@ -39,6 +39,9 @@ namespace wasm {
Name LOGGER("log_execution");
struct LogExecution : public WalkerPass<PostWalker<LogExecution>> {
+ // Adds calls to new imports.
+ bool addsEffects() override { return true; }
+
void visitLoop(Loop* curr) { curr->body = makeLogCall(curr->body); }
void visitReturn(Return* curr) { replaceCurrent(makeLogCall(curr)); }