[all-commits] [llvm/llvm-project] dfed04: [flang][semantics] fix crash involving equivalence...

[Andre Kuhlenschmidt via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dfed044c67b8e01b552b0336adea77ae0da42d1f
      https://github.com/llvm/llvm-project/commit/dfed044c67b8e01b552b0336adea77ae0da42d1f
  Author: Andre Kuhlenschmidt <andre.kuhlenschmidt at gmail.com>
  Date:   2025-12-11 (Thu, 11 Dec 2025)

  Changed paths:
    M flang/lib/Semantics/check-data.cpp
    M flang/lib/Semantics/data-to-inits.cpp
    M flang/lib/Semantics/data-to-inits.h
    A flang/test/Semantics/equivalence02.f90
    A flang/test/Semantics/equivalence03.f90

  Log Message:
  -----------
  [flang][semantics] fix crash involving equivalences (#168909)

This PR fixes
[#166463](https://github.com/llvm/llvm-project/issues/166463) by only
running ProcessScopes at the end of the semantic analysis. ProcessScopes
does an analysis of the entire symbol table to determine which
equivalence statements have conflicting initializations, but it requires
that all symbols in the equivalence statement have valid sizes. Running
before computing the size and offset made this an invalid assumption.



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