From: Dan Gohman <gohman@apple.com>
Date: Mon, 27 Jul 2009 20:49:44 +0000 (+0000)
Subject: Add an assertion check to raw_ostream's destructor to verify
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9a31254d0e51cfe08bc0e0c63ea04780cbc776f4;p=oota-llvm.git

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 3cec18b442e..7e34e06c8dc 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