The following code in LIR_Assembler::verify_oop_map is unused and should be removed:
https://github.com/openjdk/jdk/blob/90d5041b6a055d6266140ffea2aa9a3b08b32209/src/hotspot/share/c1/c1_LIRAssembler.cpp#L844-L845
https://github.com/openjdk/jdk/blob/90d5041b6a055d6266140ffea2aa9a3b08b32209/src/hotspot/share/c1/c1_LIRAssembler.cpp#L844-L845