1 files changed, 5 insertions, 3 deletions
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp
index 6bab880..75ed87b 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp
@@ -115,6 +115,7 @@ class ClangExpressionParser::LLDBPreprocessorCallbacks : public PPCallbacks {
   ClangModulesDeclVendor &m_decl_vendor;
   ClangPersistentVariables &m_persistent_vars;
   clang::SourceManager &m_source_mgr;
+  /// Accumulates error messages across all moduleImport calls.
   StreamString m_error_stream;
   bool m_has_errors = false;
 
@@ -140,11 +141,12 @@ public:
       module.path.push_back(
           ConstString(component.getIdentifierInfo()->getName()));
 
-    StreamString error_stream;
-
     ClangModulesDeclVendor::ModuleVector exported_modules;
-    if (!m_decl_vendor.AddModule(module, &exported_modules, m_error_stream))
+    if (auto err = m_decl_vendor.AddModule(module, &exported_modules)) {
       m_has_errors = true;
+      m_error_stream.PutCString(llvm::toString(std::move(err)));
+      m_error_stream.PutChar('\n');
+    }
 
     for (ClangModulesDeclVendor::ModuleID module : exported_modules)
       m_persistent_vars.AddHandLoadedClangModule(module);