diff --git a/lldb/include/lldb/Utility/SupportFile.h b/lldb/include/lldb/Utility/SupportFile.h
index 7505d7f345c5d..d65156cea768f 100644
--- a/lldb/include/lldb/Utility/SupportFile.h
+++ b/lldb/include/lldb/Utility/SupportFile.h
@@ -30,8 +30,12 @@ class SupportFile {
 
   virtual ~SupportFile() = default;
 
+  /// Return true if both SupportFiles have the same FileSpec and, if both have
+  /// a valid Checksum, the Checksum is the same.
   bool operator==(const SupportFile &other) const {
-    return m_file_spec == other.m_file_spec && m_checksum == other.m_checksum;
+    if (m_checksum && other.m_checksum)
+      return m_file_spec == other.m_file_spec && m_checksum == other.m_checksum;
+    return m_file_spec == other.m_file_spec;
   }
 
   bool operator!=(const SupportFile &other) const { return !(*this == other); }