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	TEST(LlvmLibcBcopyTest, SizeSweep) {			TEST(LlvmLibcBcopyTest, SizeSweep) {
	static constexpr int kMaxSize = 400;			static constexpr int kMaxSize = 400;
	static constexpr int kDenseOverlap = 15;			static constexpr int kDenseOverlap = 15;
	using LargeBuffer = array<char, 2 * kMaxSize + 1>;			using LargeBuffer = array<char, 2 * kMaxSize + 1>;
	LargeBuffer Buffer;			LargeBuffer Buffer;
	Randomize(Buffer);			Randomize(Buffer);
	for (int Size = 0; Size < kMaxSize; ++Size)			for (int Size = 0; Size < kMaxSize; ++Size)
	for (int Overlap = -1; Overlap < Size; ++Overlap) {			for (int Overlap = -1; Overlap < Size;) {
	ASSERT_TRUE(CheckMemmove<Adaptor>(Buffer, Size, Overlap));			ASSERT_TRUE(CheckMemmove<Adaptor>(Buffer, Size, Overlap));
	// Prevent quadratic behavior by skipping offset above kDenseOverlap.			// Prevent quadratic behavior by skipping offset above kDenseOverlap.
	if (Overlap > kDenseOverlap)			if (Overlap > kDenseOverlap)
	Overlap *= 2;			Overlap *= 2;
	else			else
	++Overlap;			++Overlap;
	}			}
	}			}

	} // namespace __llvm_libc			} // namespace __llvm_libc

[libc][test] Drastically reduce mem test runtimeClosedPublic