1 files changed, 5 insertions, 2 deletions
diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp
index 2827feb..f25391f 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp
@@ -297,8 +297,11 @@ bool lldb_private::formatters::LibStdcppWStringSummaryProvider(
       if (!wchar_compiler_type)
         return false;
 
-      const uint32_t wchar_size = wchar_compiler_type.GetBitSize(
-          nullptr); // Safe to pass NULL for exe_scope here
+      // Safe to pass nullptr for exe_scope here.
+      auto size = wchar_compiler_type.GetBitSize(nullptr);
+      if (!size)
+        return false;
+      const uint32_t wchar_size = *size;
 
       StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
       Status error;