[compiler-rt] r199880 - [sanitizer] Add a sanity check.

[Evgeniy Stepanov]

Author: eugenis
Date: Thu Jan 23 05:01:07 2014
New Revision: 199880

URL: http://llvm.org/viewvc/llvm-project?rev=199880&view=rev
Log:
[sanitizer] Add a sanity check.

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_printf.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_printf.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_printf.cc?rev=199880&r1=199879&r2=199880&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_printf.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_printf.cc Thu Jan 23 05:01:07 2014
@@ -317,6 +317,7 @@ void InternalScopedString::append(const
   VSNPrintf(data() + length_, size() - length_, format, args);
   va_end(args);
   length_ += internal_strlen(data() + length_);
+  CHECK_LT(length_, size());
 }
 
 }  // namespace __sanitizer