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4 changes: 4 additions & 0 deletions llvm/utils/lit/lit/TestRunner.py
Original file line number Diff line number Diff line change
Expand Up @@ -767,6 +767,10 @@ def _executeShCmd(cmd, shenv, results, timeoutHelper):
# echo-appending to a file.
# FIXME: Standardize on the builtin echo implementation. We can use a
# temporary file to sidestep blocking pipe write issues.

# Ensure args[0] is hashable.
args[0] = expand_glob(args[0], cmd_shenv.cwd)[0]

inproc_builtin = inproc_builtins.get(args[0], None)
if inproc_builtin and (args[0] != "echo" or len(cmd.commands) == 1):
# env calling an in-process builtin is useless, so we take the safe
Expand Down