Remove patch for clang::CompoundStmt::replaceStmts

patches/clang-compoundstmt-replaceStmts.diff

@@ -1,101 +0,0 @@
-diff --git a/include/clang/AST/Stmt.h b/include/clang/AST/Stmt.h
-index 403b88ac3a..f852ee4b86 100644
---- a/include/clang/AST/Stmt.h
-+++ b/include/clang/AST/Stmt.h
-@@ -131,7 +131,8 @@ protected:
- 
-     unsigned : NumStmtBits;
- 
--    unsigned NumStmts : 32 - NumStmtBits;
-+    unsigned WasReplaced : 1;
-+    unsigned NumStmts : 32 - (NumStmtBits + 1);
- 
-     /// The location of the opening "{".
-     SourceLocation LBraceLoc;
-@@ -1328,6 +1329,7 @@ public:
-   explicit CompoundStmt(SourceLocation Loc)
-       : Stmt(CompoundStmtClass), RBraceLoc(Loc) {
-     CompoundStmtBits.NumStmts = 0;
-+    CompoundStmtBits.WasReplaced = 0;
-     CompoundStmtBits.LBraceLoc = Loc;
-   }
- 
-@@ -1341,7 +1343,10 @@ public:
-   using body_range = llvm::iterator_range<body_iterator>;
- 
-   body_range body() { return body_range(body_begin(), body_end()); }
--  body_iterator body_begin() { return getTrailingObjects<Stmt *>(); }
-+  body_iterator body_begin() {
-+    Stmt** begin = getTrailingObjects<Stmt *>();
-+    return !CompoundStmtBits.WasReplaced ? begin : (body_iterator)begin[0];
-+  }
-   body_iterator body_end() { return body_begin() + size(); }
-   Stmt *body_front() { return !body_empty() ? body_begin()[0] : nullptr; }
- 
-@@ -1357,7 +1362,7 @@ public:
-   }
- 
-   const_body_iterator body_begin() const {
--    return getTrailingObjects<Stmt *>();
-+    return const_cast<CompoundStmt*>(this)->body_begin();
-   }
- 
-   const_body_iterator body_end() const { return body_begin() + size(); }
-@@ -1391,6 +1396,8 @@ public:
-     return const_reverse_body_iterator(body_begin());
-   }
- 
-+  void replaceStmts(const ASTContext &C, llvm::ArrayRef<Stmt*> Stmts);
-+
-   // Get the Stmt that StmtExpr would consider to be the result of this
-   // compound statement. This is used by StmtExpr to properly emulate the GCC
-   // compound expression extension, which ignores trailing NullStmts when
-diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
-index 0a4d403106..86d47cf82d 100644
---- a/lib/AST/Stmt.cpp
-+++ b/lib/AST/Stmt.cpp
-@@ -293,6 +293,7 @@ CompoundStmt::CompoundStmt(ArrayRef<Stmt *> Stmts, SourceLocation LB,
-                            SourceLocation RB)
-     : Stmt(CompoundStmtClass), RBraceLoc(RB) {
-   CompoundStmtBits.NumStmts = Stmts.size();
-+  CompoundStmtBits.WasReplaced = 0;
-   setStmts(Stmts);
-   CompoundStmtBits.LBraceLoc = LB;
- }
-@@ -300,7 +301,7 @@ CompoundStmt::CompoundStmt(ArrayRef<Stmt *> Stmts, SourceLocation LB,
- void CompoundStmt::setStmts(ArrayRef<Stmt *> Stmts) {
-   assert(CompoundStmtBits.NumStmts == Stmts.size() &&
-          "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!");
--
-+  assert(!CompoundStmtBits.WasReplaced && "Call replaceStmts!");
-   std::copy(Stmts.begin(), Stmts.end(), body_begin());
- }
- 
-@@ -320,6 +321,27 @@ CompoundStmt *CompoundStmt::CreateEmpty(const ASTContext &C,
-   return New;
- }
- 
-+void CompoundStmt::replaceStmts(const ASTContext &C,
-+                                llvm::ArrayRef<Stmt*> Stmts) {
-+  Stmt** Body = body_begin();
-+
-+  if (CompoundStmtBits.WasReplaced)
-+    C.Deallocate(Body);
-+  else
-+    memset(body_begin(), 0, size());
-+
-+  CompoundStmtBits.NumStmts = Stmts.size();
-+  assert(CompoundStmtBits.NumStmts == Stmts.size() &&
-+         "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!");
-+
-+  Body = new (C) Stmt*[Stmts.size()];
-+  std::copy(Stmts.begin(), Stmts.end(), Body);
-+
-+  getTrailingObjects<Stmt *>()[0] = reinterpret_cast<Stmt*>(Body);
-+
-+  CompoundStmtBits.WasReplaced = 1;
-+}
-+
- const Expr *ValueStmt::getExprStmt() const {
-   const Stmt *S = this;
-   do {