From: John McCall <rjmccall@apple.com>
Date: Fri, 26 Aug 2011 05:38:08 +0000 (+0000)
Subject: An initialization does not alias.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=90b2bdf3b96892ea44e5bf6869a92a08d09a6545;p=clang

An initialization does not alias.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138624 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 1ed24ccd65..88536e2acd 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -138,7 +138,8 @@ void CodeGenFunction::EmitAnyExprToMem(const Expr *E,
   else if (hasAggregateLLVMType(E->getType()))
     EmitAggExpr(E, AggValueSlot::forAddr(Location, Quals,
                                          AggValueSlot::IsDestructed_t(IsInit),
-                                         AggValueSlot::DoesNotNeedGCBarriers));
+                                         AggValueSlot::DoesNotNeedGCBarriers,
+                                         AggValueSlot::IsAliased_t(!IsInit)));
   else {
     RValue RV = RValue::get(EmitScalarExpr(E, /*Ignore*/ false));
     LValue LV = MakeAddrLValue(Location, E->getType());
diff --git a/test/CodeGenCXX/exceptions.cpp b/test/CodeGenCXX/exceptions.cpp
index 4a32de024a..18a3d108dd 100644
--- a/test/CodeGenCXX/exceptions.cpp
+++ b/test/CodeGenCXX/exceptions.cpp
@@ -394,7 +394,11 @@ namespace test7 {
 // Just don't crash.
 namespace test8 {
   struct A {
+    // Having both of these is required to trigger the assert we're
+    // trying to avoid.
     A(const A&);
+    A&operator=(const A&);
+
     ~A();
   };