[all-commits] [llvm/llvm-project] aee849: [Flang][Semantics] Fix crash on invalid function r...

[ShashwathiNavada via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: aee84917ea7960abfa87ba353e5ee39e3ef81850
      https://github.com/llvm/llvm-project/commit/aee84917ea7960abfa87ba353e5ee39e3ef81850
  Author: ShashwathiNavada <shashwathinavada at gmail.com>
  Date:   2026-04-29 (Wed, 29 Apr 2026)

  Changed paths:
    M flang/lib/Semantics/resolve-names.cpp
    A flang/test/Semantics/resolve128.f90

  Log Message:
  -----------
  [Flang][Semantics] Fix crash on invalid function result declaration (#194648)

Fixes https://github.com/llvm/llvm-project/issues/194596.

When the function result symbol is encountered while the compiler is
already completing the function result type, flang could recursively
re-enter _CompleteFunctionResultType()_ and crash on invalid code.

Instead of crashing on conflicting declarations, flang now reports an
“already declared” error and stops further recursion.



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