From d76ed069eb208db4b8342003abb7e09f24b35bc1 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 13 Oct 2017 20:37:52 +0000
Subject: [SmallPtrSet] Add iterator epoch tracking.

This will detect invalid iterators when ABI breaking checks are enabled.

llvm-svn: 315746
---
 llvm/lib/Support/SmallPtrSet.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Support/SmallPtrSet.cpp')

diff --git a/llvm/lib/Support/SmallPtrSet.cpp b/llvm/lib/Support/SmallPtrSet.cpp
index 47e960e243c..119bb871d4c 100644
--- a/llvm/lib/Support/SmallPtrSet.cpp
+++ b/llvm/lib/Support/SmallPtrSet.cpp
@@ -61,6 +61,7 @@ SmallPtrSetImplBase::insert_imp_big(const void *Ptr) {
   else
     ++NumNonEmpty; // Track density.
   *Bucket = Ptr;
+  incrementEpoch();
   return std::make_pair(Bucket, true);
 }
 
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