Transition the PCH support for ShuffleVectorExpr over to ASTContext allocation


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78783 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReaderStmt.cpp b/lib/Frontend/PCHReaderStmt.cpp
index 3040a52..ccf585c 100644
--- a/lib/Frontend/PCHReaderStmt.cpp
+++ b/lib/Frontend/PCHReaderStmt.cpp
@@ -666,7 +666,8 @@
 unsigned PCHStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
   VisitExpr(E);
   unsigned NumExprs = Record[Idx++];
-  E->setExprs((Expr **)&StmtStack[StmtStack.size() - NumExprs], NumExprs);
+  E->setExprs(*Reader.getContext(), 
+              (Expr **)&StmtStack[StmtStack.size() - NumExprs], NumExprs);
   E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
   E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
   return NumExprs;