Add a flag to StringLiteral to keep track of whether the string is a pascal string or not.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReaderStmt.cpp b/lib/Serialization/ASTReaderStmt.cpp
index 70104cb..557cb38 100644
--- a/lib/Serialization/ASTReaderStmt.cpp
+++ b/lib/Serialization/ASTReaderStmt.cpp
@@ -468,7 +468,8 @@
   assert(Record[Idx] == E->getNumConcatenated() &&
          "Wrong number of concatenated tokens!");
   ++Idx;
-  E->setWide(Record[Idx++]);
+  E->IsWide = Record[Idx++];
+  E->IsPascal = Record[Idx++];
 
   // Read string data
   llvm::SmallString<16> Str(&Record[Idx], &Record[Idx] + Len);