diff --git a/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp b/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
index 4ab290399ba..971a48c89bd 100644
--- a/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
+++ b/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
@@ -36,6 +36,8 @@ using DecodeStatus = MCDisassembler::DecodeStatus;
 #include "WebAssemblyGenDisassemblerTables.inc"
 
 namespace {
+static constexpr int WebAssemblyInstructionTableSize = 256;
+
 class WebAssemblyDisassembler final : public MCDisassembler {
   std::unique_ptr<const MCInstrInfo> MCII;