[all-commits] [llvm/llvm-project] 8e16e5: [HLSL] Bug fix crash using Array Parameters when D...

[Sarah Spall via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8e16e5ca23d70b6d21346abfbe292aa7e91dcb2e
      https://github.com/llvm/llvm-project/commit/8e16e5ca23d70b6d21346abfbe292aa7e91dcb2e
  Author: Sarah Spall <sarahspall at microsoft.com>
  Date:   2025-02-18 (Tue, 18 Feb 2025)

  Changed paths:
    M clang/lib/AST/ASTContext.cpp
    M clang/test/AST/HLSL/TypdefArrayParam.hlsl

  Log Message:
  -----------
  [HLSL] Bug fix crash using Array Parameters when De-sugaring is the same as canonicalizing  (#127670)

Fixes this crash: https://hlsl.godbolt.org/z/9aP74s4bP
Which happens because the de-sugared type is the same as the
canonicalized type.
Check if the de-sugared type is canonical before getting the
ArrayParameterType of the canonical type.
Add AST test to ensure crash doesn't happen.



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