compiler.valhalla.inlinetypes.TestInlineFieldNonFlattened fails IR verification because a field is flattened although -XX:-UseFieldFlattening is set.

Layout of class compiler/valhalla/inlinetypes/TestInlineFieldNonFlattened$MyClass@0x74ef5433a950 extends java/lang/Object@0x74ef540dfa40
Instance fields:
 @0 RESERVED 12/-
 @12 FLAT 4/4 "v1" Lcompiler/valhalla/inlinetypes/TestInlineFieldNonFlattened$MyValue; compiler/valhalla/inlinetypes/TestInlineFieldNonFlattened$MyValue@0x74ef5433a950 NON_ATOMIC_FLAT

The relevant part of the test is currently uncommented with "// TODO 8341767" and should be re-enabled once this is fixed.