diff --git a/llvm-build/abi_check.py b/llvm-build/abi_check.py
index fbdb6282fdf51e17ccd4a3950c6d0784e31583b0..a16a0058aa94fdd1d36f8c381954914537745853 100644
--- a/llvm-build/abi_check.py
+++ b/llvm-build/abi_check.py
@@ -78,7 +78,7 @@ class AbiCheck:
             logging.info("do nothing")
 
     def build_gen_command(self):
-        all_args = ["--no-corpus-path"]
+        all_args = ["--no-corpus-path"]   # FIXME denominator值可能是0
         if self.args.suppressions is not None:
             all_args.extend(["--suppressions", self.args.suppressions])
         if self.args.debug_info_dir is not None: