Fixed some border cases:
authorMichael Beck <beck@ipd.info.uni-karlsruhe.de>
Wed, 3 Nov 2004 14:31:01 +0000 (14:31 +0000)
committerMichael Beck <beck@ipd.info.uni-karlsruhe.de>
Wed, 3 Nov 2004 14:31:01 +0000 (14:31 +0000)
commit990ddfa72b25a0ff04c6a12c35484a0a3114c015
tree8e3d2d9390fd5f4758dbf26999f9a72c3c4dbe1f
parent182b0d9a459819be8db5abb190b07b344519bee8
Fixed some border cases:
 - do not access Bad nodes, these will be killed later
 - beware of self loopes, happen in dead code
 - Address calculation may have Iu + (P + Is) resulting in Iu + Is,
 - handle this case gracefully

[r4265]
ir/opt/reassoc.c