ref: 187f88aa50f253eb670cdc415e9bc315ca289bb6
dir: /test/asm/section-union.err/
ERROR: section-union.asm(37): Section "test" already declared as union ERROR: section-union.asm(37): Section "test" already declared as fixed at $c000 ERROR: section-union.asm(37): Section "test" already declared as aligned to 256 bytes ERROR: section-union.asm(37): Cannot create section "test" (3 errors)