[compiler-rt] [CFI] Allow LoongArch (PR #67314)

[Fangrui Song via llvm-commits]

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@@ -53,6 +53,13 @@ struct A {
   virtual void f();
 };
 
+// The page size of LoongArch is 16KB, aligned to the memory page size.
+#ifdef __loongarch_lp64
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MaskRay wrote:

If the 32-bit variant also uses 16kib pagesize, just use `__loongarch__` so that this line don't need to be changed if 32-bit is ever allowed.

https://github.com/llvm/llvm-project/pull/67314