[compiler-rt] [asan] Use InternalMmapVector for error_message_buffer, reallocate wh… (PR #77488)

[Vitaly Buka via llvm-commits]

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@@ -32,8 +33,11 @@ namespace __asan {
 
 // -------------------- User-specified callbacks ----------------- {{{1
 static void (*error_report_callback)(const char*);
-static char *error_message_buffer = nullptr;
-static uptr error_message_buffer_pos = 0;
+typedef InternalMmapVectorNoCtor<char, true> ErrorMessageBuffer;
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vitalybuka wrote:

typedef -> using

https://github.com/llvm/llvm-project/pull/77488