[ms-inline asm] Stmt destructors are never called, so allocate the AsmToks using
the ASTContext BumpPtr.  Also use the preferred llvm::ArrayRef interface.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161373 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp
index 718a7e6..5df1a50 100644
--- a/lib/Sema/SemaStmt.cpp
+++ b/lib/Sema/SemaStmt.cpp
@@ -2748,7 +2748,7 @@
 }
 
 StmtResult Sema::ActOnMSAsmStmt(SourceLocation AsmLoc,
-                                SmallVectorImpl<Token> &AsmToks,
+                                ArrayRef<Token> AsmToks,
                                 std::string &AsmString,
                                 SourceLocation EndLoc) {
   // MS-style inline assembly is not fully supported, so emit a warning.
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index 71af263..76cd51f 100644
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -1185,7 +1185,7 @@
   /// By default, performs semantic analysis to build the new statement.
   /// Subclasses may override this routine to provide different behavior.
   StmtResult RebuildMSAsmStmt(SourceLocation AsmLoc,
-                              SmallVectorImpl<Token> &AsmToks,
+                              ArrayRef<Token> AsmToks,
                               std::string &AsmString,
                               SourceLocation EndLoc) {
     return getSema().ActOnMSAsmStmt(AsmLoc, AsmToks, AsmString, EndLoc);
@@ -5610,9 +5610,11 @@
 template<typename Derived>
 StmtResult
 TreeTransform<Derived>::TransformMSAsmStmt(MSAsmStmt *S) {
+  ArrayRef<Token> AsmToks =
+    llvm::makeArrayRef(S->getAsmToks(), S->getNumAsmToks());
   // No need to transform the asm string literal.
   return getDerived().RebuildMSAsmStmt(S->getAsmLoc(),
-                                       S->getAsmToks(),
+                                       AsmToks,
                                        *S->getAsmString(),
                                        S->getEndLoc());
 }