[clang] [llvm] [sanitizer][NFCI] Add Options parameter to LowerAllowCheckPass (PR #122765)

[Thurston Dang via cfe-commits]

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@@ -20,13 +20,22 @@
 
 namespace llvm {
 
+struct LowerAllowCheckOptions {
+  std::vector<double> placeholder; // TODO: cutoffs
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thurstond wrote:

Done

https://github.com/llvm/llvm-project/pull/122765