From 901c9daa05ec817c3a0f7aad87a928cfcfe00ce2 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Wed, 14 Aug 2024 19:37:14 +0000
Subject: [PATCH] Fix null pointer dereference when a file is not an object
 file

---
 compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp
index d119a995c61..d625935d925 100644
--- a/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp
@@ -80,6 +80,9 @@ LLVMRustGetSymbols(char *BufPtr, size_t BufLen, void *State,
     return ErrorCallback(toString(ObjOrErr.takeError()).c_str());
   }
   std::unique_ptr<object::SymbolicFile> Obj = std::move(*ObjOrErr);
+  if (Obj == nullptr) {
+    return 0;
+  }
 
   for (const object::BasicSymbolRef &S : Obj->symbols()) {
     if (!isArchiveSymbol(S))