PCH support for GNU statement expressions

llvm-svn: 69370

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index 8928b063cf2..e474dc7a70d 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -289,6 +289,7 @@ namespace {
     unsigned VisitImplicitValueInitExpr(ImplicitValueInitExpr *E);
     unsigned VisitVAArgExpr(VAArgExpr *E);
     unsigned VisitAddrLabelExpr(AddrLabelExpr *E);
+    unsigned VisitStmtExpr(StmtExpr *E);
     unsigned VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
     unsigned VisitChooseExpr(ChooseExpr *E);
     unsigned VisitGNUNullExpr(GNUNullExpr *E);
@@ -749,6 +750,14 @@ unsigned PCHStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) {
   return 0;
 }
 
+unsigned PCHStmtReader::VisitStmtExpr(StmtExpr *E) {
+  VisitExpr(E);
+  E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+  E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
+  E->setSubStmt(cast_or_null<CompoundStmt>(StmtStack.back()));
+  return 1;
+}
+
 unsigned PCHStmtReader::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) {
   VisitExpr(E);
   E->setArgType1(Reader.GetType(Record[Idx++]));
@@ -2359,6 +2368,10 @@ Stmt *PCHReader::ReadStmt() {
       S = new (Context) AddrLabelExpr(Empty);
       break;
 
+    case pch::EXPR_STMT:
+      S = new (Context) StmtExpr(Empty);
+      break;
+
     case pch::EXPR_TYPES_COMPATIBLE:
       S = new (Context) TypesCompatibleExpr(Empty);
       break;