Index: test/CodeGen/builtins-wasm.c
===================================================================
--- test/CodeGen/builtins-wasm.c
+++ test/CodeGen/builtins-wasm.c
@@ -38,10 +38,10 @@
   // WEBASSEMBLY64: call void @llvm.wasm.data.drop(i32 3)
 }
 
-void throw(unsigned int tag, void *obj) {
-  return __builtin_wasm_throw(tag, obj);
-  // WEBASSEMBLY32: call void @llvm.wasm.throw(i32 %{{.*}}, i8* %{{.*}})
-  // WEBASSEMBLY64: call void @llvm.wasm.throw(i32 %{{.*}}, i8* %{{.*}})
+void throw(void *obj) {
+  return __builtin_wasm_throw(0, obj);
+  // WEBASSEMBLY32: call void @llvm.wasm.throw(i32 0, i8* %{{.*}})
+  // WEBASSEMBLY64: call void @llvm.wasm.throw(i32 0, i8* %{{.*}})
 }
 
 void rethrow_in_catch(void) {