ref: 176a57a1e96c53513b82b093b105bb9b4f92da6c
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 errors)