[lworld] C2 compilation fails with assert "uses must be dominated by definitions"

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/oracle/valhalla2/open/src/hotspot/share/opto/block.cpp:1264), pid=627247, tid=627255
# assert(n->is_Root() || n->is_Region() || n->is_Phi() || n->is_MachMerge() || def_block->dominates(block)) failed: uses must be dominated by definitions

Current CompileTask:
C2: 6863 1896 b 4 java.lang.invoke.LambdaForm$MH/0x0000000800001000::invokeExact_MT (32 bytes)

Stack: [0x00007f1b99a36000,0x00007f1b99b37000], sp=0x00007f1b99b32220, free space=1008k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x6e1cb5] PhaseCFG::verify() const+0x405
V [libjvm.so+0xa7239f] Compile::Code_Gen()+0x2af
V [libjvm.so+0xa7c7d6] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x23d6
V [libjvm.so+0x8858a8] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1f8
V [libjvm.so+0xa8c381] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xc91
V [libjvm.so+0xa8d0c8] CompileBroker::compiler_thread_loop()+0x5a8
V [libjvm.so+0x199b5d1] JavaThread::thread_main_inner()+0x271
V [libjvm.so+0x19a3410] Thread::call_run()+0x100
V [libjvm.so+0x164de4e] thread_native_entry(Thread*)+0x10e

The assert was added by JDK-8263227 and is currently disabled due to this failure.