1 files changed, 2 insertions, 2 deletions
diff --git a/check.py b/check.py
index 6211468c9..54b3f9b83 100755
--- a/check.py
+++ b/check.py
@@ -179,8 +179,8 @@ def run_wasm_reduce_tests():
     # this is very slow in ThreadSanitizer, so avoid it there
     if 'fsanitize=thread' not in str(os.environ):
         print('\n[ checking wasm-reduce fuzz testcase ]\n')
-
-        support.run_command(shared.WASM_OPT + [os.path.join(shared.options.binaryen_test, 'untaken-br_if.wast'), '-ttf', '-Os', '-o', 'a.wasm', '-all'])
+        # TODO: re-enable multivalue once it is better optimized
+        support.run_command(shared.WASM_OPT + [os.path.join(shared.options.binaryen_test, 'signext.wast'), '-ttf', '-Os', '-o', 'a.wasm', '-all', '--disable-multivalue'])
         before = os.stat('a.wasm').st_size
         support.run_command(shared.WASM_REDUCE + ['a.wasm', '--command=%s b.wasm --fuzz-exec -all' % shared.WASM_OPT[0], '-t', 'b.wasm', '-w', 'c.wasm'])
         after = os.stat('c.wasm').st_size