[compiler-rt] Log errno (or fuchsia equivalent) on map failures (PR #95391)

[Vitaly Buka via llvm-commits]

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@@ -27,4 +31,21 @@ void die(const char *Message) {
   __builtin_trap();
 #endif // __BIONIC__
 }
+
+void dieWithErrorCode(const char *Message, int64_t ErrorCode) {
+#ifdef __BIONIC__
+  if (&android_set_abort_message == nullptr)
+    abort();
+
+  size_t buffer_size = strlen(Message) + 48;
+  char *buffer = static_cast<char *>(alloca(strlen(Message) + 48));
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vitalybuka wrote:

`alloca(buffer_size)`

https://github.com/llvm/llvm-project/pull/95391