Free all Constants in ~LLVMConstantImpl. We avoid assertion failures

by dropping all references from all constants that can use other
constants before trying to destroy any of them.

I also had to free bugpoint's Module in ~BugDriver().



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99160 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 5 insertions, 0 deletions

diff --git a/tools/bugpoint/BugDriver.cpp b/tools/bugpoint/BugDriver.cpp
index 813c96cc79..024d8e219f 100644
--- a/tools/bugpoint/BugDriver.cpp
+++ b/tools/bugpoint/BugDriver.cpp
@@ -75,6 +75,10 @@ BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
     run_as_child(as_child), run_find_bugs(find_bugs), Timeout(timeout), 
     MemoryLimit(memlimit), UseValgrind(use_valgrind) {}
 
+BugDriver::~BugDriver() {
+  delete Program;
+}
+
 
 /// ParseInputFile - Given a bitcode or assembly input filename, parse and
 /// return it, or return null if not possible.
diff --git a/tools/bugpoint/BugDriver.h b/tools/bugpoint/BugDriver.h
index 0a10a61c21..abc249868d 100644
--- a/tools/bugpoint/BugDriver.h
+++ b/tools/bugpoint/BugDriver.h
@@ -65,6 +65,7 @@ public:
   BugDriver(const char *toolname, bool as_child, bool find_bugs,
             unsigned timeout, unsigned memlimit, bool use_valgrind,
             LLVMContext& ctxt);
+  ~BugDriver();
 
   const char *getToolName() const { return ToolName; }