[flang-commits] [PATCH] D139047: [flang] Disallow NULL() as an expression where it cannot appear

[Peter Klausler via Phabricator via flang-commits]

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A NULL() pointer is generally not a valid expression (as opposed to
a variable) apart from some initialization contexts and some actual
arguments.


https://reviews.llvm.org/D139047

Files:
  flang/include/flang/Semantics/expression.h
  flang/lib/Semantics/expression.cpp
  flang/lib/Semantics/resolve-names.cpp
  flang/test/Semantics/null01.f90

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