Add an assertion check to raw_ostream's destructor to verify
that the subclass hasn't left any pending data in the buffer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77245 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 3cec18b..7e34e06 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -45,6 +45,11 @@
using namespace llvm;
raw_ostream::~raw_ostream() {
+ // raw_ostream's subclasses should take care to flush the buffer
+ // in their destructors.
+ assert(OutBufCur == OutBufStart &&
+ "raw_ostream destructor called with non-empty buffer!");
+
delete [] OutBufStart;
// If there are any pending errors, report them now. Clients wishing