code review 1202042: fix issue 798

fix issue 798
cannot allocate an audomatic temp
while real registers are allocated.
there is a chance that the automatic
will be allocated to one of the
allocated registers. the fix is to
not registerize such variables.

[ken3, 2010-05-21 00:31:25]

Hello rsc (cc: golang-dev@googlegroups.com),

I'd like you to review this change.

[ken3, 2010-05-21 00:31:30]

*** Submitted as http://code.google.com/p/go/source/detail?r=3fa1372ca694 ***

fix issue 798
cannot allocate an audomatic temp
while real registers are allocated.
there is a chance that the automatic
will be allocated to one of the
allocated registers. the fix is to
not registerize such variables.

R=rsc
CC=golang-dev
http://codereview.appspot.com/1202042