[flang] Merge pull request flang-compiler/f18#371 from flang-compiler/pmk-parens
authorPeter Klausler <35819229+klausler@users.noreply.github.com>
Mon, 1 Apr 2019 22:20:18 +0000 (15:20 -0700)
committerGitHub <noreply@github.com>
Mon, 1 Apr 2019 22:20:18 +0000 (15:20 -0700)
Fix flang-compiler/f18#350: insert parens into formatted expressions only when required

Original-commit: flang-compiler/f18@24fd62850cbb3e50aa8185bc61d2683e723810f8
Reviewed-on: https://github.com/flang-compiler/f18/pull/371


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