ZSTD_BUILD_FSE_TABLE_WKSP_SIZE
assert(wkspSize >= ZSTD_BUILD_FSE_TABLE_WKSP_SIZE);
#define ZSTD_BUILD_FSE_TABLE_WKSP_SIZE_U32 ((ZSTD_BUILD_FSE_TABLE_WKSP_SIZE + sizeof(U32) - 1) / sizeof(U32))