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-rw-r--r--src/wasm/wasm.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index cf71689b1..682936461 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -945,6 +945,7 @@ void RefTest::finalize() {
void RefCast::finalize() {
if (ref->type == Type::unreachable) {
type = Type::unreachable;
+ return;
}
// Do not unnecessarily lose non-nullability information.
if (ref->type.isNonNullable() && type.isNullable()) {