[compiler-rt] Fix some page size assumptions in the HWASan tests. (PR #134941)

[Vitaly Buka via llvm-commits]

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@@ -17,17 +18,17 @@
 const unsigned char kTag = 42;
 const size_t kNumShadowPages = 1024;
 const size_t kNumPages = 16 * kNumShadowPages;
-const size_t kPageSize = 4096;
-const size_t kMapSize = kNumPages * kPageSize;
+
+size_t page_size, map_size;
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vitalybuka wrote:

'page_size, map_size' are bit set?

https://github.com/llvm/llvm-project/pull/134941