Fix PR5279 - don't sliently drop alignment information on stores of types that have alignment less than the natural alignment of the type when it comes from a typedef.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146908 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 2ed7b1a..4c23c06 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1443,7 +1443,7 @@
     QualType T = E->getSubExpr()->getType()->getPointeeType();
     assert(!T.isNull() && "CodeGenFunction::EmitUnaryOpLValue: Illegal type");
 
-    LValue LV = MakeAddrLValue(EmitScalarExpr(E->getSubExpr()), T);
+    LValue LV = MakeNaturalAlignAddrLValue(EmitScalarExpr(E->getSubExpr()), T);
     LV.getQuals().setAddressSpace(ExprTy.getAddressSpace());
 
     // We should not generate __weak write barrier on indirect reference