Vendor import of llvm trunk r338150:vendor/llvm/llvm-trunk-r338150

https://llvm.org/svn/llvm-project/llvm/trunk@338150

1 files changed, 2 insertions, 2 deletions

diff --git a/include/llvm/ADT/ImmutableSet.h b/include/llvm/ADT/ImmutableSet.h
index 9d580c5a3d41..b1d5f4ac42e4 100644
--- a/include/llvm/ADT/ImmutableSet.h
+++ b/include/llvm/ADT/ImmutableSet.h
@@ -1017,7 +1017,7 @@ public:
     ///  of this operation is logarithmic in the size of the original set.
     ///  The memory allocated to represent the set is released when the
     ///  factory object that created the set is destroyed.
-    ImmutableSet add(ImmutableSet Old, value_type_ref V) {
+    LLVM_NODISCARD ImmutableSet add(ImmutableSet Old, value_type_ref V) {
       TreeTy *NewT = F.add(Old.Root, V);
       return ImmutableSet(Canonicalize ? F.getCanonicalTree(NewT) : NewT);
     }
@@ -1029,7 +1029,7 @@ public:
     ///  of this operation is logarithmic in the size of the original set.
     ///  The memory allocated to represent the set is released when the
     ///  factory object that created the set is destroyed.
-    ImmutableSet remove(ImmutableSet Old, value_type_ref V) {
+    LLVM_NODISCARD ImmutableSet remove(ImmutableSet Old, value_type_ref V) {
       TreeTy *NewT = F.remove(Old.Root, V);
       return ImmutableSet(Canonicalize ? F.getCanonicalTree(NewT) : NewT);
     }