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RFC: Backport deep-copy assignment for constructors (PR 49324)


Hi all,

if the RHS is an array constructor, gfortran didn't deep copy
allocatable components. That was fixed for the trunk by the patch at
  http://gcc.gnu.org/ml/fortran/2011-06/msg00095.html

The wrong-code issue is not a regression and code leading to
the bug seems to be sparse, judging how many compilers are
affected by the bug (cf. PR).

Nethertheless, I am considering to backport it to 4.6. One
could also backport it to 4.5 or even 4.4.

What do you think? 

Tobias


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