[MVT] Compilation fails with "assert(!in->is_CFG()) failed: CFG Node with no controlling input?"

# Internal Error (/oracle/valhalla/open/src/hotspot/share/opto/loopnode.cpp:3077), pid=27216, tid=27242
# assert(!in->is_CFG()) failed: CFG Node with no controlling input?

Current CompileTask:
C2: 27922 1175 b compiler.valhalla.valuetypes.TestBasicFunctionality::test34 (25 bytes)

Stack: [0x00007f0cd0149000,0x00007f0cd024a000], sp=0x00007f0cd0244200, free space=1004k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x196d53c] VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x18c
V [libjvm.so+0x196e36f] VMError::report_and_die(Thread*, char const*, int, char const*, char const*, __va_list_tag*)+0x2f
V [libjvm.so+0xb90792] report_vm_error(char const*, int, char const*, char const*, ...)+0x112
V [libjvm.so+0x134a8e6] PhaseIdealLoop::build_loop_early(VectorSet&, Node_List&, Node_Stack&)+0x366
V [libjvm.so+0x1350984] PhaseIdealLoop::build_and_optimize(bool, bool)+0x8c4
V [libjvm.so+0xaef72f] Compile::Optimize()+0x4ef
V [libjvm.so+0xaf16b0] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x12a0
V [libjvm.so+0x8d9142] C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x2f2
V [libjvm.so+0xafc3c9] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x3a9
V [libjvm.so+0xafcff1] CompileBroker::compiler_thread_loop()+0x251
V [libjvm.so+0x189e8fe] JavaThread::thread_main_inner()+0x24e
V [libjvm.so+0x189eb72] JavaThread::run()+0x1b2
V [libjvm.so+0x15a63ea] thread_native_entry(Thread*)+0xfa
C [libpthread.so.0+0x76ba] start_thread+0xca