sub-group warning: variable length arrays in C++ are a Clang extension

[AlexeySachkov]

SYCL-CTS/tests/sub_group/sub_group_semantics.cpp

Lines 120 to 123 in 9691bc0

	TEST_CASE("Check sycl::sub_group equality", "[sub_group]") {
	size_t code_count =
	to_integral(common_by_value_semantics::current_check::size);
	bool result[code_count];

Build log:

[649/1195] Building CXX object tests/sub_group/CMakeFiles/test_sub_group_objects.dir/sub_group_semantics.cpp.o
../tests/sub_group/sub_group_semantics.cpp:123:15: warning: variable length arrays in C++ are a Clang extension [-Wvla-cxx-extension]
  123 |   bool result[code_count];
      |               ^~~~~~~~~~
../tests/sub_group/sub_group_semantics.cpp:123:15: note: read of non-const variable 'code_count' is not allowed in a constant expression
../tests/sub_group/sub_group_semantics.cpp:121:10: note: declared here
  121 |   size_t code_count =
      |          ^
1 warning generated.