diff options
Diffstat (limited to 'src/wasm/wasm-stack.cpp')
-rw-r--r-- | src/wasm/wasm-stack.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/wasm/wasm-stack.cpp b/src/wasm/wasm-stack.cpp index 911447b48..e24060f2a 100644 --- a/src/wasm/wasm-stack.cpp +++ b/src/wasm/wasm-stack.cpp @@ -2025,8 +2025,12 @@ void BinaryInstWriter::visitCallRef(CallRef* curr) { void BinaryInstWriter::visitRefTest(RefTest* curr) { o << int8_t(BinaryConsts::GCPrefix); - o << U32LEB(BinaryConsts::RefTest); - parent.writeHeapType(curr->intendedType); + if (curr->castType.isNullable()) { + o << U32LEB(BinaryConsts::RefTestNull); + } else { + o << U32LEB(BinaryConsts::RefTest); + } + parent.writeHeapType(curr->castType.getHeapType()); } void BinaryInstWriter::visitRefCast(RefCast* curr) { |