[PATCH] D95080: [flang] Fix creation of deferred shape arrays by POINTER statement

Pete Steinfeld via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 20 12:41:43 PST 2021


PeteSteinfeld created this revision.
PeteSteinfeld added reviewers: klausler, tskeith.
PeteSteinfeld requested review of this revision.
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It's possible to  declare deferred shape array using the POINTER
statement, for example:

  POINTER :: var(:)

When analyzing POINTER declarations, we were not capturing the array
specification information, if present.  I fixed this by changing the
"Post" function for "parser::PointerDecl" to check to see if the
declaration contained a "DeferredShapeSpecList".  In such cases, I
analyzed the shape and used to information to declare an "ObjectEntity"
that contains the shape information rather than an "UnknownEntity".

I also added a couple of small tests that fail to compile without these
changes.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95080

Files:
  flang/lib/Semantics/resolve-names-utils.cpp
  flang/lib/Semantics/resolve-names-utils.h
  flang/lib/Semantics/resolve-names.cpp
  flang/test/Semantics/allocate12.f90

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