Fix precompute optimizing atomic.fence out (#9379)

Fixes #9369

Author: stevenfontanella

src/wasm-interpreter.h

@@ -3124,6 +3124,7 @@ class ConstantExpressionRunner : public ExpressionRunner<SubType> {
   }
   Flow visitAtomicWait(AtomicWait* curr) { return Flow(NONCONSTANT_FLOW); }
   Flow visitAtomicNotify(AtomicNotify* curr) { return Flow(NONCONSTANT_FLOW); }
+  Flow visitAtomicFence(AtomicFence* curr) { return Flow(NONCONSTANT_FLOW); }
   Flow visitStructWait(StructWait* curr) { return Flow(NONCONSTANT_FLOW); }
   Flow visitWaitqueueNew(WaitqueueNew* curr) { return Flow(NONCONSTANT_FLOW); }
   Flow visitWaitqueueNotify(WaitqueueNotify* curr) {

test/lit/passes/precompute_all-features.wast

@@ -810,4 +810,13 @@
     )
    )
   )
+
+  ;; CHECK:      (func $atomic-fence (type $1)
+  ;; CHECK-NEXT:  (atomic.fence)
+  ;; CHECK-NEXT:  (atomic.fence acqrel)
+  ;; CHECK-NEXT: )
+  (func $atomic-fence
+    (atomic.fence)
+    (atomic.fence acqrel)
+  )
 )