From af44f18ad66b4f7bbe6a8f6ffa29637a4a5aeea1 Mon Sep 17 00:00:00 2001
From: Greg Clayton <clayborg@gmail.com>
Date: Wed, 31 Jul 2019 16:24:55 +0000
Subject: [PATCH] Don't crash when pass by value struct has no definition.

llvm-svn: 367441
---
 lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index b2240e2421e1..52f855b639fc 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -1010,7 +1010,7 @@ TypeSP DWARFASTParserClang::ParseTypeFromDWARF(const SymbolContext &sc,
     if (attrs.calling_convention == llvm::dwarf::DW_CC_pass_by_value) {
       clang::CXXRecordDecl *record_decl =
           m_ast.GetAsCXXRecordDecl(clang_type.GetOpaqueQualType());
-      if (record_decl) {
+      if (record_decl && record_decl->getDefinition()) {
         record_decl->setHasTrivialSpecialMemberForCall();
       }
     }