[compiler-rt] [scudo] Add primary option to enable/disable cache blocks. (PR #129794)

[Jordan R AW via llvm-commits]

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@@ -42,6 +42,14 @@ template <typename T> struct isPointer<T *> {
   static constexpr bool value = true;
 };
 
+template <bool Cond, typename L, typename R> struct Conditional {
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ajordanr-google wrote:

I assume we're defining our own Conditional here because `std::conditional` is not available. This is mostly just to reduce stdlib dependencies, but I'm noting there are dependencies on say, `<limits.h>` for pthreads. So perhaps I'm wrong here?

https://github.com/llvm/llvm-project/pull/129794