Remove and forbid raw_svector_ostream::flush() calls.

After r244870 flush() will only compare two null pointers and return,
doing nothing but wasting run time. The call is not required any more
as the stream and its SmallString are always in sync.

Thanks to David Blaikie for reviewing.

llvm-svn: 244928

1 files changed, 0 insertions, 3 deletions

diff --git a/clang/lib/AST/Mangle.cpp b/clang/lib/AST/Mangle.cpp
index 1a061c4f6632..014338f0490f 100644
--- a/clang/lib/AST/Mangle.cpp
+++ b/clang/lib/AST/Mangle.cpp
@@ -206,7 +206,6 @@ void MangleContext::mangleCtorBlock(const CXXConstructorDecl *CD,
   SmallString<64> Buffer;
   llvm::raw_svector_ostream Out(Buffer);
   mangleCXXCtor(CD, CT, Out);
-  Out.flush();
   mangleFunctionBlock(*this, Buffer, BD, ResStream);
 }
 
@@ -216,7 +215,6 @@ void MangleContext::mangleDtorBlock(const CXXDestructorDecl *DD,
   SmallString<64> Buffer;
   llvm::raw_svector_ostream Out(Buffer);
   mangleCXXDtor(DD, DT, Out);
-  Out.flush();
   mangleFunctionBlock(*this, Buffer, BD, ResStream);
 }
 
@@ -253,7 +251,6 @@ void MangleContext::mangleBlock(const DeclContext *DC, const BlockDecl *BD,
       }
     }
   }
-  Stream.flush();
   mangleFunctionBlock(*this, Buffer, BD, Out);
 }