[compiler-rt] [asan][win][msvc] override new and delete and seperate TUs (PR #68754)

[Vitaly Buka via llvm-commits]

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@@ -0,0 +1,25 @@
+// RUN: %clang_cl_asan -Od %s -Fe%t
+// RUN: %run %t
+
+// test fixing new/delete already defined
+// as long as it finishes linking, it should be good
+
+// before fix:
+// nafxcw.lib(afxmem.obj) : warning LNK4006: "void * __cdecl operator new(unsigned int)" (??2 at YAPAXI@Z) already defined in clang_rt.asan_cxx-i386.lib(asan_win_new_scalar_thunk.cpp.obj); second definition ignored
+// nafxcw.lib(afxmem.obj) : warning LNK4006: "void __cdecl operator delete(void *)" (??3 at YAXPAX@Z) already defined in clang_rt.asan_cxx-i386.lib(asan_win_delete_scalar_thunk.cpp.obj); second definition ignored
+
+#ifdef _DLL
+#  define _AFXDLL
+#endif
+
+#include "afxglobals.h"
+
+int AFX_CDECL AfxCriticalNewHandler(size_t nSize);
+
+int main(int argc, char **argv) {
+  AFX_MODULE_THREAD_STATE *pState = AfxGetModuleThreadState();
+  _PNH pnhOldHandler = AfxSetNewHandler(&AfxCriticalNewHandler);
+  AfxSetNewHandler(pnhOldHandler);
+  puts("Pass");
+  return 0;
+}
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vitalybuka wrote:

end file new line is missing in a few files

https://github.com/llvm/llvm-project/pull/68754