Force rocrtsts to use Code Object V4

Temporarily force rocrtsts to use Code Object V4 while compiler team is
about to switch the default Code Object to V5. Will switch back to using
default compiler setting once everything is tested/fixed.

Change-Id: I18e5c6771fffd8c60792fc197501d373c7ec22f3


[ROCm/ROCR-Runtime commit: 0f2fa3ba72]

projects/rocr-runtime/rocrtst/suites/test_common/CMakeLists.txt

@@ -280,7 +280,7 @@ function(build_kernel S_NAME TARG_DEV)
   set(HSACO_TARG_LIST ${HSACO_TARG_LIST} "${KERNEL_DIR}/${SNAME_KERNEL}" PARENT_SCOPE)
   string(SUBSTRING ${TARG_DEV} 3 -1 gfxNum)
   separate_arguments(CLANG_ARG_LIST UNIX_COMMAND
-   "-D ROCRTST_GPU=0x${gfxNum} -x cl -target amdgcn-amd-amdhsa -include ${OPENCL_INC_DIR}opencl-c.h -mcpu=${TARG_DEV} ${BITCODE_ARGS} -cl-std=CL${OPENCL_VER} ${CL_FILE_LIST} -o ${KERNEL_DIR}/${SNAME_KERNEL}")
+   "-D ROCRTST_GPU=0x${gfxNum} -x cl -target amdgcn-amd-amdhsa -include ${OPENCL_INC_DIR}opencl-c.h -mcpu=${TARG_DEV} ${BITCODE_ARGS} -cl-std=CL${OPENCL_VER} -mcode-object-version=4 ${CL_FILE_LIST} -o ${KERNEL_DIR}/${SNAME_KERNEL}")
   add_custom_command(OUTPUT "${KERNEL_DIR}/${SNAME_KERNEL}" COMMAND ${CLANG} ${CLANG_ARG_LIST} DEPENDS ${CL_FILE_LIST} ${CLANG} COMMENT "BUILDING ${KERNEL_DIR}/${SNAME_KERNEL}" VERBATIM)
 endfunction(build_kernel)