From 90c2b028dc64bb638b3fba3e10124abde4e58761 Mon Sep 17 00:00:00 2001
From: Yan Wang <yawanng@google.com>
Date: Wed, 11 Sep 2019 14:08:24 -0700
Subject: [PATCH] startop: Fix the if condition to prevent duplicate filename
 for file id 0 in host compiler.

Test: pytest
Bug: 140655545
Change-Id: I952db4cf06060483cfcf8e42352324ad0d710d3b
---
 startop/scripts/iorap/compiler_ri.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/startop/scripts/iorap/compiler_ri.py b/startop/scripts/iorap/compiler_ri.py
index 17b58c19ef281..90fc8a8123c5d 100755
--- a/startop/scripts/iorap/compiler_ri.py
+++ b/startop/scripts/iorap/compiler_ri.py
@@ -139,7 +139,9 @@ def build_protobuf(page_runs, inode2filename, filters=[]):
       continue
 
     file_id = file_id_map.get(filename)
-    if not file_id:
+    # file_id could 0, which satisfies "if file_id" and causes duplicate
+    # filename for file id 0.
+    if file_id is None:
       file_id = file_id_counter
       file_id_map[filename] = file_id_counter
       file_id_counter = file_id_counter + 1