# Check that diff falls back to binary mode if it cannot decode a file.

# RUN: diff -u diff-in.bin diff-in.bin
# RUN: diff -u diff-in.utf16 diff-in.bin && false || true
# RUN: diff -u diff-in.utf8 diff-in.bin && false || true
# RUN: diff -u diff-in.bin diff-in.utf8 && false || true

# Fail so lit will print output.
# RUN: false