[compiler-rt] [scudo] Small cleanup of memory tagging code part 2. (PR #168807)

[Vitaly Buka via llvm-commits]

================
@@ -261,9 +261,7 @@ inline uptr loadTag(uptr Ptr) {
 
 #else
 
-inline NORETURN bool systemSupportsMemoryTagging() {
-  UNREACHABLE("memory tagging not supported");
-}
+inline bool systemSupportsMemoryTagging() { return false; }
----------------
vitalybuka wrote:

constexpr?

https://github.com/llvm/llvm-project/pull/168807