ref: 0e0876b17f9c40c5a5e18dd4b536911451d5cfc1
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)