[llvm] [BOLT] Exit with error code on missing DWO CU (PR #125976)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-bolt

Author: Amir Ayupov (aaupov)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/125976.diff


1 Files Affected:

- (modified) bolt/lib/Core/BinaryContext.cpp (+4-1) 


``````````diff
diff --git a/bolt/lib/Core/BinaryContext.cpp b/bolt/lib/Core/BinaryContext.cpp
index f5e11358daaa32b..3947c62ac8df00e 100644
--- a/bolt/lib/Core/BinaryContext.cpp
+++ b/bolt/lib/Core/BinaryContext.cpp
@@ -1759,7 +1759,10 @@ void BinaryContext::preprocessDebugInfo() {
           dwarf::toString(CU->getUnitDIE().find(dwarf::DW_AT_name), nullptr);
       if (std::optional<uint64_t> DWOID = CU->getDWOId()) {
         auto Iter = DWOCUs.find(*DWOID);
-        assert(Iter != DWOCUs.end() && "DWO CU was not found.");
+        if (Iter == DWOCUs.end()) {
+          this->errs() << "DWO CU was not found for " << Name << '\n';
+          exit(1);
+        }
         Name = dwarf::toString(
             Iter->second->getUnitDIE().find(dwarf::DW_AT_name), nullptr);
       }

``````````

</details>


https://github.com/llvm/llvm-project/pull/125976