[clang] [compiler-rt] [SafeStack] Introduce public interface header and deprecate builtins (PR #198292)

[Jakob Koschel via llvm-commits]

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@@ -2915,6 +2915,26 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID,
 
   FPOptions FPO;
   switch (BuiltinID) {
+  case Builtin::BI__builtin___get_unsafe_stack_start:
+    Diag(TheCall->getBeginLoc(), diag::warn_deprecated_builtin)
+        << Context.BuiltinInfo.getQuotedName(BuiltinID)
+        << "__safestack_get_unsafe_stack_bottom";
+    break;
+  case Builtin::BI__builtin___get_unsafe_stack_bottom:
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jakos-sec wrote:

Done.

https://github.com/llvm/llvm-project/pull/198292