Make the unused expression warning a bit less aggressive (found in PHP
code).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index cd495bc..e327ffb 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -336,6 +336,10 @@
return cast<CastExpr>(this)->getSubExpr()->hasLocalSideEffect();
return false;
+ case ImplicitCastExprClass:
+ // Check the operand, since implicit casts are inserted by Sema
+ return cast<ImplicitCastExpr>(this)->getSubExpr()->hasLocalSideEffect();
+
case CXXDefaultArgExprClass:
return cast<CXXDefaultArgExpr>(this)->getExpr()->hasLocalSideEffect();
}