Assert if deleting BasicBlock before removing it from Function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12983 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/BasicBlock.cpp b/lib/VMCore/BasicBlock.cpp
index c24a61e46652a6c6f5a35d14ee475098b5d4ecd5..48aa7cfe6f2213b5e3627559a3d7c52f2e457b3c 100644 (file)
--- a/lib/VMCore/BasicBlock.cpp
+++ b/lib/VMCore/BasicBlock.cpp
@@ -81,6 +81,7 @@ BasicBlock::BasicBlock(const std::string &Name, Function *Parent,
 
 
 BasicBlock::~BasicBlock() {
+  assert(Parent == 0 && "BasicBlock still linked into the program!");
   dropAllReferences();
   InstList.clear();
 }