Protect against null streams.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31937 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/Streams.h b/include/llvm/Support/Streams.h
index 138a07014975aba4b0e88ed761c017e6216f164b..8048d56e7065daa27c541b85475392a404261b04 100644 (file)
--- a/include/llvm/Support/Streams.h
+++ b/include/llvm/Support/Streams.h
@@ -32,7 +32,7 @@ namespace llvm {
     std::ostream* stream() const { return Stream; }
 
     inline llvm_ostream &operator << (std::ostream& (*Func)(std::ostream&)) {
-      *Stream << Func;
+      if (Stream) *Stream << Func;
       return *this;
     }