[PATCH] D93321: [flang] Fix crash in folding (#48437)

[Peter Klausler via Phabricator via llvm-commits]

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Elemental intrinsic function folding was not taking the lower
bounds of constant array arguments into account; these lower bounds
can be distinct from 1 when named constants appear as arguments.

LLVM bugzilla #48437.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93321

Files:
  flang/include/flang/Evaluate/constant.h
  flang/lib/Evaluate/fold-implementation.h
  flang/test/Evaluate/folding16.f90

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