The allocated exception slot does not alias anything; should fix self-host.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGException.cpp b/lib/CodeGen/CGException.cpp
index 263ac63..0605f62 100644
--- a/lib/CodeGen/CGException.cpp
+++ b/lib/CodeGen/CGException.cpp
@@ -1034,7 +1034,8 @@
// Perform the copy construction.
CGF.EmitAggExpr(copyExpr, AggValueSlot::forAddr(ParamAddr, Qualifiers(),
AggValueSlot::IsNotDestructed,
- AggValueSlot::DoesNotNeedGCBarriers));
+ AggValueSlot::DoesNotNeedGCBarriers,
+ AggValueSlot::IsNotAliased));
// Leave the terminate scope.
CGF.EHStack.popTerminate();
diff --git a/test/CodeGenCXX/exceptions.cpp b/test/CodeGenCXX/exceptions.cpp
index 0ce9679..4a32de0 100644
--- a/test/CodeGenCXX/exceptions.cpp
+++ b/test/CodeGenCXX/exceptions.cpp
@@ -390,3 +390,16 @@
return new B(A(), new B(A(), 0));
}
}
+
+// Just don't crash.
+namespace test8 {
+ struct A {
+ A(const A&);
+ ~A();
+ };
+
+ A makeA();
+ void test() {
+ throw makeA();
+ }
+}