[llvm-branch-commits] [clang] [Clang] Add pointer field protection feature. (PR #172119)

[Oliver Hunt via llvm-branch-commits]

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@@ -253,4 +253,10 @@ FIELD(IsAnyDestructorNoReturn, 1, NO_MERGE)
 /// type that is intangible). HLSL only.
 FIELD(IsHLSLIntangible, 1, NO_MERGE)
 
+/// Whether the pointer fields in this class should have pointer field
+/// protection (PFP) by default, either because of an attribute, the
+/// -fexperimental-pointer-field-protection-abi compiler flag or inheritance
+/// from a base or member with PFP.
+FIELD(IsPFPType, 1, NO_MERGE)
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ojhunt wrote:

Given this is gated by a langopt I think it might be worth putting this bit in a side table? @cor3ntin @AaronBallman 

https://github.com/llvm/llvm-project/pull/172119