[all-commits] [llvm/llvm-project] e35cb7: [flang][runtime] Fix edge cases with ROUND=UP/DOWN...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e35cb730cfd30912a2ffbcac9db1014a80a6c4c8
      https://github.com/llvm/llvm-project/commit/e35cb730cfd30912a2ffbcac9db1014a80a6c4c8
  Author: Peter Klausler <35819229+klausler at users.noreply.github.com>
  Date:   2023-10-16 (Mon, 16 Oct 2023)

  Changed paths:
    M flang/lib/Decimal/binary-to-decimal.cpp
    M flang/lib/Decimal/decimal-to-binary.cpp

  Log Message:
  -----------
  [flang][runtime] Fix edge cases with ROUND=UP/DOWN (#67508)

When an unrepresentable nonzero real input value with a very small
exponent is currently being read in as zero, don't neglect
ROUND=UP/DOWN; return the least nonzero subnormal value instead when
appropriate.