[clang] Add DllMain entry point to `libclang.dll` (PR #171465)

[via cfe-commits]

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@@ -0,0 +1,24 @@
+
+
+#include <windows.h>
+
+extern "C" {
+
+int rpmalloc_initialize(void);
+void rpmalloc_finalize(void);
+void rpmalloc_thread_initialize(void);
+void rpmalloc_thread_finalize(int release_caches);
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GkvJwa wrote:

The reason is the same as the reason for checking LLVM_ENABLE_RPMALLOC in CMake: the overloaded malloc lacks a global macro definition.

https://github.com/llvm/llvm-project/pull/171465