Add some out-of-line virtual dtors so that the class has a "home", preventing

vtables for (e.g.) Instruction from being emitted into every .o file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28898 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index fe4ba507c1..ab4aaac745 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -43,6 +43,12 @@ Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
   InsertAtEnd->getInstList().push_back(this);
 }
 
+// Out of line virtual method, so the vtable, etc has a home.
+Instruction::~Instruction() {
+  assert(Parent == 0 && "Instruction still linked in the program!");
+}
+
+
 void Instruction::setOpcode(unsigned opc) {
   setValueType(Value::InstructionVal + opc);
 }