[compiler-rt] [scudo] Add static vector functionality. (PR #98986)

[Joshua Baehring via llvm-commits]

================
@@ -9,6 +9,7 @@
 #ifndef SCUDO_VECTOR_H_
 #define SCUDO_VECTOR_H_
 
+#include "common.h"
----------------
JoshuaMBa wrote:

Is this because of the `size_t`? I don't see this defined in `internal_defs.h`, but if it's for something else, I will add it.

https://github.com/llvm/llvm-project/pull/98986