Author: Adrian Prantl
Date: 2024-05-07T13:44:44-07:00
New Revision: 8c4d7989c2b4a7e251afc3b13002611646de90b6

URL: 
https://github.com/llvm/llvm-project/commit/8c4d7989c2b4a7e251afc3b13002611646de90b6
DIFF: 
https://github.com/llvm/llvm-project/commit/8c4d7989c2b4a7e251afc3b13002611646de90b6.diff

LOG: Add a missing check for nullptr

This can't happen with Clang, but I've seen a crash report from the
Swift plugin where this happened.

rdar://126564844

Added: 
    

Modified: 
    lldb/source/Expression/UserExpression.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/source/Expression/UserExpression.cpp 
b/lldb/source/Expression/UserExpression.cpp
index 06fdb7007ced..b78f43995767 100644
--- a/lldb/source/Expression/UserExpression.cpp
+++ b/lldb/source/Expression/UserExpression.cpp
@@ -300,6 +300,8 @@ UserExpression::Evaluate(ExecutionContext &exe_ctx,
             target->GetUserExpressionForLanguage(
                 fixed_expression->c_str(), full_prefix, language, desired_type,
                 options, ctx_obj, error));
+        if (!fixed_expression_sp)
+          break;
         DiagnosticManager fixed_diagnostic_manager;
         parse_success = fixed_expression_sp->Parse(
             fixed_diagnostic_manager, exe_ctx, execution_policy,


        
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