[all-commits] [llvm/llvm-project] 31e6cd: [flang] Implement cross-set EQUIVALENCE impossibil...

[Peter Klausler via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 31e6cd28a5a8afeea4a7f89d54ccf87eaba9f76c
      https://github.com/llvm/llvm-project/commit/31e6cd28a5a8afeea4a7f89d54ccf87eaba9f76c
  Author: peter klausler <pklausler at nvidia.com>
  Date:   2020-07-01 (Wed, 01 Jul 2020)

  Changed paths:
    M flang/include/flang/Semantics/scope.h
    M flang/lib/Semantics/compute-offsets.cpp
    M flang/lib/Semantics/resolve-names-utils.cpp
    M flang/test/Semantics/equivalence01.f90

  Log Message:
  -----------
  [flang] Implement cross-set EQUIVALENCE impossibility checking

Implement cross-set EQUIVALENCE impossibility checking; fixes
an infinite loop on an erroneous test.  Also fix substring
reference offset calculations in EQUIVALENCE discovered to
be incorrect during testing.

Reviewed By: tskeith

Differential Revision: https://reviews.llvm.org/D82993