ARM: Error bootstrapping the mainline compiler...

[Richard Earnshaw]

> I did a CVS update and a make bootstrap-lean this morning and got the following
> error.  The .i and .s file can be found here:
> 
> ftp://ftp.netwinder.org/users/s/scottb/gccbug-2000-04-17.tar.gz

OK.  Found it.  We were calculating the size of a NOP incorrectly, because 
the is_thumb attribute was setup wrongly.

Please try the following patch.

	* arm.md (is_thumb): Use variable thumb_code.
	* arm.h (thumb_code): Declare it.
	* arm.c (arm_override_options): Initialize it.