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-rw-r--r--clang/test/lit.cfg3
1 files changed, 2 insertions, 1 deletions
diff --git a/clang/test/lit.cfg b/clang/test/lit.cfg
index c198dfe5687..d23a40c79b7 100644
--- a/clang/test/lit.cfg
+++ b/clang/test/lit.cfg
@@ -200,7 +200,8 @@ def getClangBuiltinIncludeDir(clang):
if sys.platform in ['win32'] and execute_external:
# Don't pass dosish path separator to msys bash.exe.
dir = dir.replace('\\', '/')
- return dir
+ # Ensure the result is an ascii string, across Python2.5+ - Python3.
+ return str(dir.decode('ascii'))
config.substitutions.append( ('%clang_cc1', '%s -cc1 -internal-isystem %s'
% (config.clang,
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