[llvm] 1882a4e - [ADT] fix postfix filter_iterator_impl::operator++

[Alex Brachet via llvm-commits]

Author: Alex Brachet
Date: 2023-07-07T15:12:03Z
New Revision: 1882a4ee69b3cc2202d8d7d7b6465475f6d19886

URL: https://github.com/llvm/llvm-project/commit/1882a4ee69b3cc2202d8d7d7b6465475f6d19886
DIFF: https://github.com/llvm/llvm-project/commit/1882a4ee69b3cc2202d8d7d7b6465475f6d19886.diff

LOG: [ADT] fix postfix filter_iterator_impl::operator++

Added: 
    

Modified: 
    llvm/include/llvm/ADT/STLExtras.h

Removed: 
    


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diff  --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h
index 6fbe2ba54fedf5..dcf3e160804715 100644
--- a/llvm/include/llvm/ADT/STLExtras.h
+++ b/llvm/include/llvm/ADT/STLExtras.h
@@ -541,8 +541,9 @@ class filter_iterator_impl<WrappedIteratorT, PredicateT,
   }
 
   filter_iterator_impl &operator++(int) {
+    filter_iterator_impl &old = *this;
     BaseT::operator++();
-    return *this;
+    return old;
   }
 
   filter_iterator_impl &operator--() {