ref: 230798187862bbcaf6d3a251ee71d3a4d6d8f74d
dir: /test/link/section-union/different-size.out/
error: Section "different section sizes" is of type ROM0, which cannot be unionized --- error: <stdin>(16): Cannot declare ROM sections as UNION FATAL: <stdin>(16): Cannot create section "different section sizes" (1 error)