@@ -, +, @@ 
---
 js/src/wasm/WasmSignalHandlers.cpp | 4 ++++
 1 file changed, 4 insertions(+)
--- a/js/src/wasm/WasmSignalHandlers.cpp	
+++ a/js/src/wasm/WasmSignalHandlers.cpp	
@@ -1652,6 +1652,8 @@ ProcessHasSignalHandlers()
 bool
 wasm::EnsureSignalHandlers(JSContext* cx)
 {
+#ifndef JS_CODEGEN_NONE
+
     // Nothing to do if the platform doesn't support it.
     if (!ProcessHasSignalHandlers())
         return true;
@@ -1660,6 +1662,8 @@ wasm::EnsureSignalHandlers(JSContext* cx)
     // On OSX, each JSContext which runs wasm gets its own handler thread.
     if (!cx->wasmMachExceptionHandler.installed() && !cx->wasmMachExceptionHandler.install(cx))
         return false;
+#endif
+
 #endif
 
     return true;
--