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14 lines
621 B
Diff
14 lines
621 B
Diff
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diff --git a/absl/numeric/internal/bits.h b/absl/numeric/internal/bits.h
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index bfef06bc..3091d1b4 100644
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--- a/absl/numeric/internal/bits.h
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+++ b/absl/numeric/internal/bits.h
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@@ -303,7 +303,7 @@ CountTrailingZeroesNonzero64(uint64_t x) {
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ABSL_ATTRIBUTE_ALWAYS_INLINE ABSL_INTERNAL_CONSTEXPR_CTZ inline int
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CountTrailingZeroesNonzero16(uint16_t x) {
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-#if ABSL_HAVE_BUILTIN(__builtin_ctzs)
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+#if ABSL_HAVE_BUILTIN(__builtin_ctzs) && defined(__clang__)
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static_assert(sizeof(unsigned short) == sizeof(x), // NOLINT(runtime/int)
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"__builtin_ctzs does not take 16-bit arg");
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return __builtin_ctzs(x);
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