Suppress -Wcharacter-conversion for tests/VSO_0180466_algorithm_overhauls

[YexuanXiao]

Lines 35-84 of this test involve comparisons between different charN_t types, so similar to #5653, Clang will also generate warnings for this.

STL/tests/std/tests/VSO_0180466_algorithm_overhauls/test.cpp

Lines 35 to 84 in f015db5

	template <template <class, class> class Test, class Left>
	void test_all_numeric_types_impl() {
	Test<Left, char>{}();
	Test<Left, signed char>{}();
	Test<Left, unsigned char>{}();
	Test<Left, wchar_t>{}();
	#ifdef __cpp_char8_t
	Test<Left, char8_t>{}();
	#endif // __cpp_char8_t
	Test<Left, char16_t>{}();
	Test<Left, char32_t>{}();
	Test<Left, short>{}();
	Test<Left, unsigned short>{}();
	Test<Left, int>{}();
	Test<Left, unsigned int>{}();
	Test<Left, long>{}();
	Test<Left, unsigned long>{}();
	Test<Left, long long>{}();
	Test<Left, unsigned long long>{}();
	Test<Left, float>{}();
	Test<Left, double>{}();
	Test<Left, long double>{}();
	}
	template <template <class, class> class Test>
	void test_all_numeric_types() {
	test_all_numeric_types_impl<Test, char>();
	test_all_numeric_types_impl<Test, signed char>();
	test_all_numeric_types_impl<Test, unsigned char>();
	test_all_numeric_types_impl<Test, wchar_t>();
	#ifdef __cpp_char8_t
	test_all_numeric_types_impl<Test, char8_t>();
	#endif // __cpp_char8_t
	test_all_numeric_types_impl<Test, char16_t>();
	test_all_numeric_types_impl<Test, char32_t>();
	test_all_numeric_types_impl<Test, short>();
	test_all_numeric_types_impl<Test, unsigned short>();
	test_all_numeric_types_impl<Test, int>();
	test_all_numeric_types_impl<Test, unsigned int>();
	test_all_numeric_types_impl<Test, long>();
	test_all_numeric_types_impl<Test, unsigned long>();
	test_all_numeric_types_impl<Test, long long>();
	test_all_numeric_types_impl<Test, unsigned long long>();
	test_all_numeric_types_impl<Test, float>();
	test_all_numeric_types_impl<Test, double>();
	test_all_numeric_types_impl<Test, long double>();
	#ifdef __cpp_lib_byte
	Test<byte, byte>{}();
	#endif // __cpp_lib_byte
	}