1 files changed, 3 insertions, 1 deletions
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 07c66bc393..e263b99c02 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -153,7 +153,9 @@ public:
         const const_iterator ce = this->cend(), cit = std::find(this->cbegin(), ce, t);
         if (cit == ce)
             return 0;
-        const iterator e = end(), it = std::remove(c2m(cit), e, t);
+        // next operation detaches, so ce, cit may become invalidated:
+        const int firstFoundIdx = std::distance(this->cbegin(), cit);
+        const iterator e = end(), it = std::remove(begin() + firstFoundIdx, e, t);
         const int result = std::distance(it, e);
         erase(it, e);
         return result;