When isel'ing a node, mark its operands "InFlight" before selecting them. These nodes should not be folded into other nodes. This fixes the miscompilation of PR 749. Temporarily under flag control.
When isel'ing a node, mark its operands "InFlight" before selecting them. These
nodes should not be folded into other nodes.
This fixes the miscompilation of PR 749.
Temporarily under flag control.


git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@28002 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx