[LLDB] Fix for regression of test 'TestDataFormatterInvalidStdUniquePtr.py' introduced in r374195

Differential Revision: https://reviews.llvm.org/D68641

llvm-svn: 374231

3 files changed, 7 insertions, 5 deletions

diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp
index c86ab6be644..45294e25f0f 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibCxxTuple.cpp
@@ -79,7 +79,9 @@ ValueObjectSP TupleFrontEnd::GetChildAtIndex(size_t idx) {
     m_elements[idx] =
         elem_sp->Clone(ConstString(llvm::formatv("[{0}]", idx).str())).get();
 
-  return m_elements[idx]->GetSP();
+  if (m_elements[idx])
+    return m_elements[idx]->GetSP();
+  return ValueObjectSP();
 }
 
 SyntheticChildrenFrontEnd *
diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp
index 15bf7f8cf1d..0ac7b8f8e02 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp
@@ -90,7 +90,7 @@ bool LibStdcppTupleSyntheticFrontEnd::MightHaveChildren() { return true; }
 
 lldb::ValueObjectSP
 LibStdcppTupleSyntheticFrontEnd::GetChildAtIndex(size_t idx) {
-  if (idx < m_members.size())
+  if (idx < m_members.size() && m_members[idx])
     return m_members[idx]->GetSP();
   return lldb::ValueObjectSP();
 }
diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibStdcppUniquePointer.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppUniquePointer.cpp
index 84f9e57015f..cceb511cdc4 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/LibStdcppUniquePointer.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppUniquePointer.cpp
@@ -118,11 +118,11 @@ bool LibStdcppUniquePtrSyntheticFrontEnd::MightHaveChildren() { return true; }
 
 lldb::ValueObjectSP
 LibStdcppUniquePtrSyntheticFrontEnd::GetChildAtIndex(size_t idx) {
-  if (idx == 0)
+  if (idx == 0 && m_ptr_obj)
     return m_ptr_obj->GetSP();
-  if (idx == 1)
+  if (idx == 1 && m_del_obj)
     return m_del_obj->GetSP();
-  if (idx == 2)
+  if (idx == 2 && m_obj_obj)
     return m_obj_obj->GetSP();
   return lldb::ValueObjectSP();
 }