Notes on the open bugs:

bug007.diderot -- no codegen support for tensor slices; Charisee's work will
                  address this issue

bug028.diderot -- missing forms of matrix multiplication; Charisee's work will
                  address this issue

bug029.diderot -- missing code generation for printing matrices and higher-order tensors.

bug038.diderot -- problem with reading nrrds that are normalized

bug040.diderot -- avoidance of redundant Inside tests is not working. 

bug043.diderot -- problem with parameter appearing in a method (but not in initialization)

bug044.diderot -- "output bool" not supported

bug045.diderot -- want "det" on 2x2 and 3x3 matrices

bug047.diderot -- environment problem when translating LowIL to TreeIL. The problem appears
		  to originate in the VN during the HighIL pass and has to do with renaming
		  and phi nodes.

bug048.diderot -- type promotion inside arms of conditionals

bug049.diderot -- strand types are not supported in vis12, which leads to poor error message

bug050.diderot -- output alignment for tensor[3,3]

bug051.diderot -- compile-time blowup when using c4hexic; all of the time appears to be
		  in the check-mid-il, so using --disable-mid-check is a work around.

bug052.diderot -- type error when applying inside to a 1D field.  The problem appears to
                  be in unification, which is trying to unify tensor[1] with tensor[].

bug053.diderot -- ∇ doesn't work on 1D fields

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