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from f793be78713 libstdc++: Fix -Wsign-compare warning in <charconv> new 928116e94a5 Fold ctz(-x) and ctz(abs(x)) as ctz(x) in match.pd.
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Summary of changes: gcc/match.pd | 6 ++++++ gcc/testsuite/gcc.dg/fold-ctz-1.c | 9 +++++++++ gcc/testsuite/gcc.dg/fold-ctz-2.c | 9 +++++++++ 3 files changed, 24 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/fold-ctz-1.c create mode 100644 gcc/testsuite/gcc.dg/fold-ctz-2.c