[compiler-rt] [compiler-rt] Fixed Android 8.1 `getauxval(AT_PAGESZ)` crashes if called from `.preinit_array`. (#113427) (PR #116121)

[via llvm-commits]

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@@ -82,6 +82,12 @@
 #    include <sys/personality.h>
 #  endif
 
+#  if SANITIZER_ANDROID && __ANDROID_API__ < 35
+// The weak `strerrorname_np` (introduced in API level 35) definition,
+// allows for checking the API level at runtime.
----------------
funsafe-ptr wrote:

Does not work in `.preinit_array`.
```fish
❯ echo '#include <android/api-level.h>'\n'static int api_level;static void preinit_fn() {api_level=android_get_device_api_level();} void (*preinit[])()__attribute((section(".preinit_array")))={&preinit_fn};int main(){__builtin_printf("api_level on preinit: %i. on main: %i", api_level, android_get_device_api_level());}' | cc -x c -;./a.out
api_level on preinit: -1. on main: 27⏎         
```

https://github.com/llvm/llvm-project/pull/116121