[asan_symbolize] Attempt to fix build-bot failure after latest change
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@369929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/scripts/asan_symbolize.py b/lib/asan/scripts/asan_symbolize.py
index 8ea68b3..cade927 100755
--- a/lib/asan/scripts/asan_symbolize.py
+++ b/lib/asan/scripts/asan_symbolize.py
@@ -198,6 +198,10 @@
assert not file_name, file_name
logging.debug("got empty function name -> no more input")
break
+ if not function_name and not file_name:
+ logging.debug("got empty function and file name -> unknown function")
+ function_name = '??'
+ file_name = '??:0'
lines.append((function_name, file_name));
except BrokenPipeError:
logging.debug("got broken pipe, addr2line returncode=%d" % self.pipe.poll())
