Test cl_ext_cxx_for_opencl (#1095) Add tests for API extension for compilation of kernels in C++ for OpenCL language. * Test that -cl-std=CLC++ is accepted and a basic kernel with C++ features is compiled. * Test that API extension reports the same language version as __OPENCL_CPP_VERSION__. This commit also adds a separate folder for extension tests. Signed-off-by: Victoria Holodovsky <[email protected]> Co-authored-by: Victoria Holodovsky <[email protected]>
