From 03f62ed9bb386058126776589194d3bf8a72b19b Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Wed, 11 Nov 2009 17:55:25 +0000
Subject: Value initialize non-class array members in ctor's initializer list.
 Fixes PR5463.

llvm-svn: 86849
---
 clang/lib/CodeGen/CGCXX.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'clang/lib/CodeGen/CGCXX.cpp')

diff --git a/clang/lib/CodeGen/CGCXX.cpp b/clang/lib/CodeGen/CGCXX.cpp
index 40e90ee..3e9951f 100644
--- a/clang/lib/CodeGen/CGCXX.cpp
+++ b/clang/lib/CodeGen/CGCXX.cpp
@@ -1511,7 +1511,14 @@ static void EmitMemberInitializer(CodeGenFunction &CGF,
     RHS = RValue::get(CGF.CGM.EmitConstantExpr(RhsExpr, FieldType, &CGF));
   else
     RHS = RValue::get(CGF.EmitScalarExpr(RhsExpr, true));
-  CGF.EmitStoreThroughLValue(RHS, LHS, FieldType);
+  if (Array && !FieldType->getAs<RecordType>()) {
+    // value initialize a non-class array data member using arr() syntax in
+    // initializer list.
+    QualType Ty = CGF.getContext().getCanonicalType((Field)->getType());
+    CGF.EmitMemSetToZero(LHS.getAddress(), Ty);
+  }
+  else
+    CGF.EmitStoreThroughLValue(RHS, LHS, FieldType);
 }
 
 /// EmitCtorPrologue - This routine generates necessary code to initialize
-- 
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