thartmann [Wed, 07 Aug 2019 12:09:55 +0200] rev 57664
8229016: C2 scalarization crashes with assert(node->Opcode() == Op_CastP2X) failed: ConvP2XNode required
Summary: Detect array copy to self to avoid emitting another load to the to-be-removed allocation.
Reviewed-by: kvn