vendor/clang/clang-trunk-r239412

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index 8dc62dd07f2c2..b00b8a0ea9ccc 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -1315,6 +1315,28 @@ CXXDestructorDecl *CXXRecordDecl::getDestructor() const {
   return Dtor;
 }
 
+bool CXXRecordDecl::isAnyDestructorNoReturn() const {
+  // Destructor is noreturn.
+  if (const CXXDestructorDecl *Destructor = getDestructor())
+    if (Destructor->isNoReturn())
+      return true;
+
+  // Check base classes destructor for noreturn.
+  for (const auto &Base : bases())
+    if (Base.getType()->getAsCXXRecordDecl()->isAnyDestructorNoReturn())
+      return true;
+
+  // Check fields for noreturn.
+  for (const auto *Field : fields())
+    if (const CXXRecordDecl *RD =
+            Field->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl())
+      if (RD->isAnyDestructorNoReturn())
+        return true;
+
+  // All destructors are not noreturn.
+  return false;
+}
+
 void CXXRecordDecl::completeDefinition() {
   completeDefinition(nullptr);
 }