ref: 695dfe9dbd34ddf7d5541450bce41c6e67dd0fd8
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)