[all-commits] [llvm/llvm-project] 40ee5a: [C2y] Claim conformance to WG14 N3481

[Aaron Ballman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 40ee5a0bcc333f2df5427bfaba73f2dc83c0ae19
      https://github.com/llvm/llvm-project/commit/40ee5a0bcc333f2df5427bfaba73f2dc83c0ae19
  Author: Aaron Ballman <aaron at aaronballman.com>
  Date:   2025-03-07 (Fri, 07 Mar 2025)

  Changed paths:
    A clang/test/C/C2y/n3481.c
    M clang/www/c_status.html

  Log Message:
  -----------
  [C2y] Claim conformance to WG14 N3481

This paper made it a constraint violation to have an incomplete type
during lvalue conversion. Previously, this was undefined behavior.

Clang has always diagnosed this for non-void incomplete types. However,
Clang does allow derefencing a void pointer (with a diagnostic, so we
still meet the conformance requirements), but not for a value
computation.



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