[clang] [clang] Add size filter for stack auto init (PR #74777)

[Vitaly Buka via cfe-commits]

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@@ -656,6 +656,13 @@ def err_drv_trivial_auto_var_init_stop_after_missing_dependency : Error<
 def err_drv_trivial_auto_var_init_stop_after_invalid_value : Error<
   "'-ftrivial-auto-var-init-stop-after=*' only accepts positive integers">;
 
+def err_drv_trivial_auto_var_init_size_bound_missing_dependency : Error<
+  "'-ftrivial-auto-var-init-size-bound=*' is used without "
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vitalybuka wrote:

other than naming LGTM


https://github.com/llvm/llvm-project/pull/74777