[flang-commits] [PATCH] D139136: [flang] Check constraint C1577 for statement functions

[Peter Klausler via Phabricator via flang-commits]

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Check most of the requiremens of constraint C1577 for statement functions.
The restrictions that prevent recursion are hard errors; the others seem
to be benign legacies and are caught as portability warnings.


https://reviews.llvm.org/D139136

Files:
  flang/include/flang/Evaluate/check-expression.h
  flang/include/flang/Semantics/expression.h
  flang/include/flang/Semantics/symbol.h
  flang/lib/Evaluate/check-expression.cpp
  flang/lib/Evaluate/tools.cpp
  flang/lib/Semantics/check-declarations.cpp
  flang/lib/Semantics/expression.cpp
  flang/lib/Semantics/resolve-names.cpp
  flang/test/Semantics/stmt-func01.f90

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