[NFC] Work around false gcc warning (#7979)

Author: kripken

src/passes/Strip.cpp

@@ -27,6 +27,9 @@
 
 namespace wasm {
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+
 struct Strip : public Pass {
   bool requiresNonNullableLocalFixups() override { return false; }
 
@@ -74,4 +77,6 @@ Pass* createStripProducersPass() {
   });
 }
 
+#pragma GCC diagnostic pop
+
 } // namespace wasm