On Linux/Intel64, I got

regexp_diff match failure
regexp "^  0 .text         0+0000400  0+0000000  0+0000000  [0-9a-f]+  2\*\*0 
CONTENTS, ALLOC, LOAD, READONLY, CODE$"
line   "  0 .text         00000400  0000000000000000  0000000000000000  00200000
 2**2  CONTENTS, ALLOC, LOAD, READONLY, CODE"
regexp_diff match failure
regexp "^  1 .data         0+0000400  0+0001000  0+0000400  [0-9a-f]+  2\*\*0 
CONTENTS, ALLOC, LOAD, DATA$"
line   "  1 .data         00000400  0000000000001000  0000000000000400  00201000
 2**2  CONTENTS, ALLOC, LOAD, DATA"
regexp_diff match failure
regexp "^  2 .bss          0+0000400  0+0001400  0+0000800  [0-9a-f]+  2\*\*0 
ALLOC$"
line   "  2 .bss          00000400  0000000000001400  0000000000000800  00201400
 2**2  ALLOC"
FAIL: rgn-over8

Why does it expect 2**0 alignment?