config.environment = dict(os.environ)
# Clear some environment variables that might affect Clang.
-possibly_dangerous_env_vars = ['ASAN_OPTIONS', 'DFSAN_OPTIONS', 'LSAN_OPTIONS',
- 'MSAN_OPTIONS', 'UBSAN_OPTIONS',
+possibly_dangerous_env_vars = ['ASAN_OPTIONS', 'DFSAN_OPTIONS', 'HWASAN_OPTIONS',
+ 'LSAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS',
'COMPILER_PATH', 'RC_DEBUG_OPTIONS',
'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',