ref: 8fa5a4255e93fd7a3eeec24e69ae4e90ec7696b4
dir: /test/link/section-union/different-data.out/
error: Section "different data" is of type ROM0, which cannot be unionized --- ERROR: <stdin>(16): Cannot declare ROM sections as UNION FATAL: <stdin>(16): Cannot create section "different data" (1 error)