[flang] Fix comment in openmp-grammar.h.  Fix unparse of reduction operator.

Original-commit: flang-compiler/f18@f6a7a03492525bcdf31e61f3a71e28cbe5818e95
Reviewed-on: https://github.com/flang-compiler/f18/pull/96
3 files changed
tree: 9c7ee4f57eb1e29491712477314bd96da4650df3
  1. flang/