Quick: Finding upper half of kMirOpCheckPart2 should passthough empty blocks

Mir2Lir::InitReferenceVRegs trying to find throwing instruction for
kMirOpCheckPart2 should traverse possible empty blocks which compiler
optimizations could generate between them.

Change-Id: I2ab29dd36635fd4c4ef2dd81b51e571e206775e6
Signed-off-by: Pavel Vyssotski <pavel.n.vyssotski@intel.com>
1 file changed