[PATCH] D84889: [flang] Create HostAssoc symbols for uplevel references

[Tim Keith via Phabricator via llvm-commits]

tskeith created this revision.
tskeith added reviewers: klausler, PeteSteinfeld, schweitz, jeanPerier.
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To make it easier for lowering to identify which symbols from the host
are captured by internal subprograms, create HostAssocDetails for them.

In particular, if a symbol is referenced and it is contained in a
subprogram or main program that is not the same as the containing
program unit of the reference, a HostAssocDetails symbol is created
in the current scope.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D84889

Files:
  flang/lib/Semantics/resolve-names.cpp
  flang/lib/Semantics/tools.cpp
  flang/test/Semantics/symbol02.f90
  flang/test/Semantics/symbol03.f90
  flang/test/Semantics/symbol05.f90

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