Ensure that destructors are properly inovked when an exception leaves

the body of a delegating constructor call.

This means that the delegating constructor implementation should be
complete and correct, though there are some rough edges (diagnostic
quality with the cycle detection and using a deleted destructor).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130803 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 94177b1d12..6cd5e43241 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -2095,6 +2095,11 @@ Sema::SetDelegatingInitializer(CXXConstructorDecl *Constructor,
   memcpy(initializer, &Initializer, sizeof (CXXCtorInitializer*));
   Constructor->setCtorInitializers(initializer);
 
+  if (CXXDestructorDecl *Dtor = LookupDestructor(Constructor->getParent())) {
+    MarkDeclarationReferenced(Initializer->getSourceLocation(), Dtor);
+    DiagnoseUseOfDecl(Dtor, Initializer->getSourceLocation());
+  }
+
   return false;
 }