From ba690a4112be4f0abde48ce51d41e92c79f96f3e Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 4 Apr 2011 23:18:38 +0000
Subject: [PATCH] Incomplete type does not have any size.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128855 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGDebugInfo.cpp             |  2 +-
 test/CodeGenCXX/debug-info-template.cpp | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index c7a50efcd8..cf147502c5 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1226,7 +1226,7 @@ llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty,
   } else if (Ty->isIncompleteArrayType()) {
     Size = 0;
     Align = CGM.getContext().getTypeAlign(Ty->getElementType());
-  } else if (Ty->isDependentSizedArrayType()) {
+  } else if (Ty->isDependentSizedArrayType() || Ty->isIncompleteType()) {
     Size = 0;
     Align = 0;
   } else if (Ty->getElementType()->getTypeClass() 
diff --git a/test/CodeGenCXX/debug-info-template.cpp b/test/CodeGenCXX/debug-info-template.cpp
index 8560c5a8e9..9d52159bed 100644
--- a/test/CodeGenCXX/debug-info-template.cpp
+++ b/test/CodeGenCXX/debug-info-template.cpp
@@ -30,3 +30,17 @@ struct Test {
 };
 static Test test;
 
+// PR9608
+template <int i> struct TheTemplate {
+  struct Empty2 {}; 
+  typedef const Empty2 DependentType[i]; 
+  TheTemplate() {} 
+}; 
+
+class TheTemplateTest : public TheTemplate<42> { 
+  TheTemplateTest(); 
+  void method(const TheTemplate<42>::DependentType *) {} 
+}; 
+
+TheTemplateTest::TheTemplateTest() : TheTemplate<42>() {} 
+
-- 
2.40.0