[PATCH 0/3] gas: FB and dollar labels

[Jan Beulich]

The first patch is the meat here, and potentially a little controversial
(see remarks there). The other two are cleanup noticed as desirable while
putting together patch 1.

Just to given an impression of how confusing (to me at least) present
behavior can be: Check whether assembling

7:
	.long 7f
	.long 07f
	.long 0x7f
	.long 0b111f
	.long 7uf
	.long 7lf

07:
	.long 7b
	.long 07b
	.long 0x7b
	.long 0b111b
	.long 7ub
	.long 7lb

actually matches your expectations.

1: sanitize FB- and dollar-label uses
2: drop dead check for double quote
3: drop integer_constant()'s maxdig

Jan