[clang] [Clang-REPL] Fix crash during `__run_exit_handlers` with dynamic libraries. (PR #117475)

[via cfe-commits]

https://github.com/SahilPatidar created https://github.com/llvm/llvm-project/pull/117475

Apply the fix suggested by Lang Hames to address a crash in Clang-REPL that occurs during the execution of `__run_exit_handlers` when using dynamic libraries.

>From 559a2d05e0a3518cf59cd828bcf41a6de10a4e76 Mon Sep 17 00:00:00 2001
From: SahilPatidar <patidarsahil2001 at gmail.com>
Date: Sun, 24 Nov 2024 15:19:50 +0530
Subject: [PATCH] [Clang-REPL] Fix crash during `__run_exit_handlers` with
 dynamic libraries

---
 clang/lib/Interpreter/Interpreter.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Interpreter/Interpreter.cpp b/clang/lib/Interpreter/Interpreter.cpp
index 5dc67f6375098f..71299f7176e2fe 100644
--- a/clang/lib/Interpreter/Interpreter.cpp
+++ b/clang/lib/Interpreter/Interpreter.cpp
@@ -719,7 +719,9 @@ llvm::Error Interpreter::LoadDynamicLibrary(const char *name) {
 
   if (auto DLSG = llvm::orc::DynamicLibrarySearchGenerator::Load(
           name, DL.getGlobalPrefix()))
-    EE->getMainJITDylib().addGenerator(std::move(*DLSG));
+    // FIXME: Eventually we should put each library in its own JITDylib and
+    //        turn off process symbols by default.
+    EE->getProcessSymbolsJITDylib()->addGenerator(std::move(*DLSG));
   else
     return DLSG.takeError();