[llvm-branch-commits] [lldb] release/22.x: [lldb] Fix crash when there is no compile unit. (#177278) (PR #177351)

[via llvm-branch-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: None (llvmbot)

<details>
<summary>Changes</summary>

Backport 088f88d6fd4047c52266b92eba5ca60782a69ba1

Requested by: @<!-- -->da-viper

---
Full diff: https://github.com/llvm/llvm-project/pull/177351.diff


1 Files Affected:

- (modified) lldb/source/ValueObject/DILEval.cpp (+3) 


``````````diff
diff --git a/lldb/source/ValueObject/DILEval.cpp b/lldb/source/ValueObject/DILEval.cpp
index f4b7f783d7b71..b437657d4ade3 100644
--- a/lldb/source/ValueObject/DILEval.cpp
+++ b/lldb/source/ValueObject/DILEval.cpp
@@ -50,6 +50,9 @@ GetTypeSystemFromCU(std::shared_ptr<ExecutionContextScope> ctx) {
     return llvm::createStringError("no stack frame in this context");
   SymbolContext symbol_context =
       stack_frame->GetSymbolContext(lldb::eSymbolContextCompUnit);
+
+  if (!symbol_context.comp_unit)
+    return llvm::createStringError("no compile unit in this context");
   lldb::LanguageType language = symbol_context.comp_unit->GetLanguage();
 
   symbol_context = stack_frame->GetSymbolContext(lldb::eSymbolContextModule);

``````````

</details>


https://github.com/llvm/llvm-project/pull/177351