ref: d9b46cdec9c1c24776d6f934064f31bcc5d80d56
dir: /test/link/section-union/different-syntaxes.out/
error: Section "different syntaxes" is of type ROM0, which cannot be unionized
---
error: <stdin>(18):
Cannot declare ROM sections as UNION
FATAL: <stdin>(18):
Cannot create section "different syntaxes" (1 error)