[flang-commits] [PATCH] D129674: [flang] Refine semantic checks for procedure pointer assignment

[Peter Klausler via Phabricator via flang-commits]

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Some procedure pointers and EXTERNAL procedures have neither
explicit interfaces nor result types; these procedures are obviously
not known to be functions, but they could be, so semantics must not
assume that they are necessarily subroutines.  Refine the procedure
pointer / dummy procedure compatibility check to handle these more
ambiguous cases and not elicit inappropriate error messages.


https://reviews.llvm.org/D129674

Files:
  flang/include/flang/Evaluate/characteristics.h
  flang/include/flang/Evaluate/tools.h
  flang/lib/Evaluate/characteristics.cpp
  flang/lib/Evaluate/intrinsics.cpp
  flang/lib/Evaluate/tools.cpp
  flang/lib/Semantics/check-call.cpp
  flang/lib/Semantics/pointer-assignment.cpp
  flang/test/Semantics/assign03.f90
  flang/test/Semantics/associated.f90
  flang/test/Semantics/call09.f90
  flang/test/Semantics/call20.f90
  flang/test/Semantics/null01.f90
  flang/test/Semantics/resolve46.f90

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