Fix bug in ParentMap::isConsumedExpr. A BinaryOperator always "consumes" the
value of its subexpressions unless it is a comma (in which case it doesn't
consume the left subexpression).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68628 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ParentMap.cpp b/lib/AST/ParentMap.cpp
index 877b43b..33731c6 100644
--- a/lib/AST/ParentMap.cpp
+++ b/lib/AST/ParentMap.cpp
@@ -66,7 +66,9 @@
return true;
case Stmt::BinaryOperatorClass: {
BinaryOperator *BE = cast<BinaryOperator>(P);
- return BE->getOpcode()==BinaryOperator::Comma && DirectChild==BE->getLHS();
+ // If it is a comma, only the left side is consumed.
+ // If it isn't a comma, both sides are consumed.
+ return BE->getOpcode()!=BinaryOperator::Comma || DirectChild==BE->getLHS();
}
case Stmt::ForStmtClass:
return DirectChild == cast<ForStmt>(P)->getCond();