[all-commits] [llvm/llvm-project] 4daeba: [Clang][HLSL] Reject matrix layout modifiers on ar...

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4daebaeb9b4e36a23cef9f222fcc7c4faa27b64c
      https://github.com/llvm/llvm-project/commit/4daebaeb9b4e36a23cef9f222fcc7c4faa27b64c
  Author: Farzon Lotfi <farzonlotfi at microsoft.com>
  Date:   2026-09-29 (Tue, 29 Sep 2026)

  Changed paths:
    M clang/lib/Sema/SemaHLSL.cpp
    M clang/test/SemaHLSL/matrix_layout_attr.hlsl

  Log Message:
  -----------
  [Clang][HLSL] Reject matrix layout modifiers on array typedefs (#227364)

Fixes #226251

Require row_major and column_major modifiers to apply directly to a
matrix type rather than accepting an array typedef whose element type is
a matrix.

This preserves valid declarations of arrays of annotated matrix elements
while rejecting attempts to apply a layout modifier to the array type
itself.



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