[flang-commits] [PATCH] D136902: [flang] Enforce constraint C911

[Peter Klausler via Phabricator via flang-commits]

klausler created this revision.
klausler added a reviewer: PeteSteinfeld.
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Diagnose attempts to use an non-polymorphic instance of an
abstract derived type.


https://reviews.llvm.org/D136902

Files:
  flang/include/flang/Semantics/expression.h
  flang/lib/Semantics/expression.cpp
  flang/test/Semantics/abstract01.f90

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