Merge pull request #14281 from mikedn/mixed-type-relop

Cleanup some mixed type relops the JIT produces

diff --cc src/jit/loopcloning.cpp
Simple merge

diff --cc src/jit/loopcloning.h
Simple merge

diff --cc src/jit/lower.cpp
Simple merge

diff --cc src/jit/morph.cpp
Simple merge

diff --cc src/jit/optimizer.cpp
Simple merge