[flang-commits] [PATCH] D117343: [flasg] Debug folding of substring references

[Peter Klausler via Phabricator via flang-commits]

klausler created this revision.
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Character substrings weren't being folded correctly;
add tests and rework the implementation so that substrings
of literals and named constant character scalars & arrays
are properly folded for use in constant expressions.


https://reviews.llvm.org/D117343

Files:
  flang/include/flang/Evaluate/constant.h
  flang/lib/Evaluate/constant.cpp
  flang/lib/Evaluate/fold-implementation.h
  flang/lib/Evaluate/variable.cpp
  flang/test/Evaluate/fold-substr.f90

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