[clang] 4123b95 - [-Wunsafe-buffer-usage] Add a subgroup `-Wunsafe-buffer-usage-in-container` (#75665)

[via cfe-commits]

Author: Ziqing Luo
Date: 2023-12-18T10:39:15-08:00
New Revision: 4123b95949727cb171bfcac6fcec89ea8cb76ef2

URL: https://github.com/llvm/llvm-project/commit/4123b95949727cb171bfcac6fcec89ea8cb76ef2
DIFF: https://github.com/llvm/llvm-project/commit/4123b95949727cb171bfcac6fcec89ea8cb76ef2.diff

LOG: [-Wunsafe-buffer-usage] Add a subgroup `-Wunsafe-buffer-usage-in-container` (#75665)

Add a sub diagnostic group under `-Wunsafe-buffer-usage` controlled by
`-Wunsafe-buffer-usage-in-container`. The subgroup will include warnings
on misuses of `std::span`, `std::vector`, and `std::array`.

Added: 
    

Modified: 
    clang/include/clang/Basic/DiagnosticGroups.td

Removed: 
    


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diff  --git a/clang/include/clang/Basic/DiagnosticGroups.td b/clang/include/clang/Basic/DiagnosticGroups.td
index 80b5680b94f6ca..7cf347e92d9972 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -1488,4 +1488,5 @@ def DXILValidation : DiagGroup<"dxil-validation">;
 def ReadOnlyPlacementChecks : DiagGroup<"read-only-types">;
 
 // Warnings and fixes to support the "safe buffers" programming model.
-def UnsafeBufferUsage : DiagGroup<"unsafe-buffer-usage">;
+def UnsafeBufferUsageInContainer : DiagGroup<"unsafe-buffer-usage-in-container">;
+def UnsafeBufferUsage : DiagGroup<"unsafe-buffer-usage", [UnsafeBufferUsageInContainer]>;