[flang] Merge pull request flang-compiler/f18#90 from ThePortlandGroup/pmk5

Fix issue flang-compiler/f18#89

Original-commit: flang-compiler/f18@119fa65b2cc0ff3bb57dd4a0b17c08b9ddbaffd4
Reviewed-on: https://github.com/flang-compiler/f18/pull/90
tree: a2e4dc3b67212cf5d2105b7e02ebf24bfa6f34c9
  1. flang/