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-rw-r--r--include/llvm/Support/raw_ostream.h1
-rw-r--r--lib/Support/raw_ostream.cpp9
2 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index 3527984..246fdb9 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -420,6 +420,7 @@ class raw_null_ostream : public raw_ostream {
public:
explicit raw_null_ostream() {}
+ ~raw_null_ostream();
};
} // end llvm namespace
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 7e34e06..992c11a 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -438,6 +438,15 @@ uint64_t raw_svector_ostream::tell() {
// raw_null_ostream
//===----------------------------------------------------------------------===//
+raw_null_ostream::~raw_null_ostream() {
+#ifndef NDEBUG
+ // ~raw_ostream asserts that the buffer is empty. This isn't necessary
+ // with raw_null_ostream, but it's better to have raw_null_ostream follow
+ // the rules than to change the rules just for raw_null_ostream.
+ flush();
+#endif
+}
+
void raw_null_ostream::write_impl(const char *Ptr, size_t Size) {
}