ALIGN directives in CM Fortran

• Can explicitly specify alignment relations:

  REAL V(100), B(64, 100)
  
  CMF$ ALIGN V(I) WITH B(1, I)

• Offset alignments also allowed:

  REAL C(32, 50)
  
  CMF$ ALIGN C(I, J) WITH B(I+5, J+2)

• More general alignments, eg transposed, not allowed.

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