Merge pull request #29634 from vespa-engine/balder/make-it-build-without-optimization

- Add some more extern templates to enable code to build with -O0.

18 files changed, 82 insertions, 93 deletions

diff --git a/vespalib/src/tests/datastore/unique_store_dictionary/unique_store_dictionary_test.cpp b/vespalib/src/tests/datastore/unique_store_dictionary/unique_store_dictionary_test.cpp
index e162d69529f..9dea9848d3a 100644
--- a/vespalib/src/tests/datastore/unique_store_dictionary/unique_store_dictionary_test.cpp
+++ b/vespalib/src/tests/datastore/unique_store_dictionary/unique_store_dictionary_test.cpp
@@ -16,7 +16,7 @@ class Comparator : public EntryComparator {
 private:
     EntryRef _to_find;
 
-    EntryRef resolve(EntryRef ref) const {
+    EntryRef resolve(EntryRef ref) const noexcept {
         if (ref == EntryRef()) {
             return _to_find;
         }
@@ -24,16 +24,16 @@ private:
     }
 
 public:
-    explicit Comparator(uint32_t to_find)
+    explicit Comparator(uint32_t to_find) noexcept
         : _to_find(to_find)
     {}
-    bool less(const EntryRef lhs, const EntryRef rhs) const override {
+    bool less(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         return resolve(lhs).ref() < resolve(rhs).ref();
     }
-    bool equal(const EntryRef lhs, const EntryRef rhs) const override {
+    bool equal(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         return resolve(lhs).ref() == resolve(rhs).ref();
     }
-    size_t hash(const EntryRef rhs) const override {
+    size_t hash(const EntryRef rhs) const noexcept override {
         return rhs.valid() ? rhs.ref() : _to_find.ref();
     }
 };
diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp b/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
index 28c76a317e0..a03d9358069 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
@@ -8,9 +8,12 @@ namespace vespalib::btree {
 template class BTreeIteratorBase<uint32_t, uint32_t, NoAggregated>;
 template class BTreeIteratorBase<uint32_t, BTreeNoLeafData, NoAggregated>;
 template class BTreeIteratorBase<uint32_t, int32_t, MinMaxAggregated>;
+template class BTreeIteratorBase<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated>;
+template class BTreeIteratorBase<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated>;
 template class BTreeConstIterator<uint32_t, uint32_t, NoAggregated>;
 template class BTreeConstIterator<uint32_t, BTreeNoLeafData, NoAggregated>;
 template class BTreeConstIterator<uint32_t, int32_t, MinMaxAggregated>;
+template class BTreeConstIterator<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, const datastore::EntryComparatorWrapper>;
 template class BTreeIterator<uint32_t, uint32_t, NoAggregated>;
 template class BTreeIterator<uint32_t, BTreeNoLeafData, NoAggregated>;
 template class BTreeIterator<uint32_t, int32_t, MinMaxAggregated>;
diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.h b/vespalib/src/vespa/vespalib/btree/btreeiterator.h
index cd63499a5ed..a0d189ef03c 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.h
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.h
@@ -5,6 +5,7 @@
 #include "btreenode.h"
 #include "btreenodeallocator.h"
 #include "btreetraits.h"
+#include <vespa/vespalib/datastore/entry_comparator_wrapper.h>
 #include <cassert>
 
 namespace vespalib::btree {
@@ -255,7 +256,7 @@ protected:
      *
      * @param pathSize     New tree height (number of levels of internal nodes)
      */
-    VESPA_DLL_LOCAL void clearPath(uint32_t pathSize);
+    void clearPath(uint32_t pathSize);
 
     /**
      * Call func with leaf entry key value as argument for all leaf entries in subtree
@@ -366,7 +367,11 @@ public:
     /**
      * Setup iterator to be empty and not be associated with any tree.
      */
-    VESPA_DLL_LOCAL void setupEmpty();
+    void setupEmpty() {
+        clearPath(0u);
+        _leaf.invalidate();
+        _leafRoot = nullptr;
+    }
 
     /**
      * Move iterator to beyond last element in the current tree.
@@ -845,10 +850,13 @@ private:
 
 extern template class BTreeIteratorBase<uint32_t, uint32_t, NoAggregated>;
 extern template class BTreeIteratorBase<uint32_t, BTreeNoLeafData, NoAggregated>;
+extern template class BTreeIteratorBase<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated>;
+extern template class BTreeIteratorBase<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated>;
 extern template class BTreeIteratorBase<uint32_t, int32_t, MinMaxAggregated>;
 extern template class BTreeConstIterator<uint32_t, uint32_t, NoAggregated>;
 extern template class BTreeConstIterator<uint32_t, BTreeNoLeafData, NoAggregated>;
 extern template class BTreeConstIterator<uint32_t, int32_t, MinMaxAggregated>;
+extern template class BTreeConstIterator<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, const datastore::EntryComparatorWrapper>;
 extern template class BTreeIterator<uint32_t, uint32_t, NoAggregated>;
 extern template class BTreeIterator<uint32_t, BTreeNoLeafData, NoAggregated>;
 extern template class BTreeIterator<uint32_t, int32_t, MinMaxAggregated>;
diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp b/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
index b9afce54f6b..bdca5e2c4ff 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.hpp
@@ -95,18 +95,6 @@ template <typename KeyT, typename DataT, typename AggrT,
           uint32_t INTERNAL_SLOTS, uint32_t LEAF_SLOTS, uint32_t PATH_SIZE>
 void
 BTreeIteratorBase<KeyT, DataT, AggrT, INTERNAL_SLOTS, LEAF_SLOTS, PATH_SIZE>::
-setupEmpty()
-{
-    clearPath(0u);
-    _leaf.invalidate();
-    _leafRoot = nullptr;
-}
-
-
-template <typename KeyT, typename DataT, typename AggrT,
-          uint32_t INTERNAL_SLOTS, uint32_t LEAF_SLOTS, uint32_t PATH_SIZE>
-void
-BTreeIteratorBase<KeyT, DataT, AggrT, INTERNAL_SLOTS, LEAF_SLOTS, PATH_SIZE>::
 end()
 {
     if (_pathSize == 0) {
diff --git a/vespalib/src/vespa/vespalib/btree/btreenode.cpp b/vespalib/src/vespa/vespalib/btree/btreenode.cpp
index 246eba8917b..0e5e99482ba 100644
--- a/vespalib/src/vespa/vespalib/btree/btreenode.cpp
+++ b/vespalib/src/vespa/vespalib/btree/btreenode.cpp
@@ -14,9 +14,12 @@ template class BTreeNodeDataWrap<BTreeNoLeafData, 16>;
 template class BTreeNodeT<uint32_t, 16>;
 template class BTreeNodeTT<uint32_t, uint32_t, NoAggregated, 16>;
 template class BTreeNodeTT<uint32_t, BTreeNoLeafData, NoAggregated, 16>;
+template class BTreeNodeTT<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, 16>;
+template class BTreeNodeTT<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, 16>;
 template class BTreeNodeTT<uint32_t, datastore::EntryRef, NoAggregated, 16>;
 template class BTreeNodeTT<uint32_t, int32_t, MinMaxAggregated, 16>;
 template class BTreeInternalNode<uint32_t, NoAggregated, 16>;
+template class BTreeInternalNode<datastore::AtomicEntryRef, NoAggregated, 16>;
 template class BTreeInternalNode<uint32_t, MinMaxAggregated, 16>;
 template class BTreeLeafNode<uint32_t, uint32_t, NoAggregated, 16>;
 template class BTreeLeafNode<uint32_t, BTreeNoLeafData, NoAggregated, 16>;
diff --git a/vespalib/src/vespa/vespalib/btree/btreenode.h b/vespalib/src/vespa/vespalib/btree/btreenode.h
index 7a4fa8030d3..c4862a256c9 100644
--- a/vespalib/src/vespa/vespalib/btree/btreenode.h
+++ b/vespalib/src/vespa/vespalib/btree/btreenode.h
@@ -488,9 +488,12 @@ extern template class BTreeNodeDataWrap<BTreeNoLeafData, 16>;
 extern template class BTreeNodeT<uint32_t, 16>;
 extern template class BTreeNodeTT<uint32_t, uint32_t, NoAggregated, 16>;
 extern template class BTreeNodeTT<uint32_t, BTreeNoLeafData, NoAggregated, 16>;
+extern template class BTreeNodeTT<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, 16>;
+extern template class BTreeNodeTT<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, 16>;
 extern template class BTreeNodeTT<uint32_t, datastore::EntryRef, NoAggregated, 16>;
 extern template class BTreeNodeTT<uint32_t, int32_t, MinMaxAggregated, 16>;
 extern template class BTreeInternalNode<uint32_t, NoAggregated, 16>;
+extern template class BTreeInternalNode<datastore::AtomicEntryRef, NoAggregated, 16>;
 extern template class BTreeInternalNode<uint32_t, MinMaxAggregated, 16>;
 extern template class BTreeLeafNode<uint32_t, uint32_t, NoAggregated, 16>;
 extern template class BTreeLeafNode<uint32_t, BTreeNoLeafData, NoAggregated, 16>;
diff --git a/vespalib/src/vespa/vespalib/btree/btreenodeallocator.cpp b/vespalib/src/vespa/vespalib/btree/btreenodeallocator.cpp
index 99faaa6e2e8..fa51a38ab9a 100644
--- a/vespalib/src/vespa/vespalib/btree/btreenodeallocator.cpp
+++ b/vespalib/src/vespa/vespalib/btree/btreenodeallocator.cpp
@@ -7,14 +7,10 @@ template class vespalib::Array<vespalib::datastore::EntryRef>;
 
 namespace vespalib::btree {
 
-template class BTreeNodeAllocator<uint32_t, uint32_t, NoAggregated,
-                                  BTreeDefaultTraits::INTERNAL_SLOTS,
-                                  BTreeDefaultTraits::LEAF_SLOTS>;
-template class BTreeNodeAllocator<uint32_t, BTreeNoLeafData, NoAggregated,
-                                  BTreeDefaultTraits::INTERNAL_SLOTS,
-                                  BTreeDefaultTraits::LEAF_SLOTS>;
-template class BTreeNodeAllocator<uint32_t, int32_t, MinMaxAggregated,
-                                  BTreeDefaultTraits::INTERNAL_SLOTS,
-                                  BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeNodeAllocator<uint32_t, uint32_t, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeNodeAllocator<uint32_t, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeNodeAllocator<uint32_t, int32_t, MinMaxAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeNodeAllocator<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeNodeAllocator<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
 
 }
diff --git a/vespalib/src/vespa/vespalib/btree/btreenodeallocator.h b/vespalib/src/vespa/vespalib/btree/btreenodeallocator.h
index 16bd46a5596..e36d1507495 100644
--- a/vespalib/src/vespa/vespalib/btree/btreenodeallocator.h
+++ b/vespalib/src/vespa/vespalib/btree/btreenodeallocator.h
@@ -178,15 +178,11 @@ public:
     const NodeStore &getNodeStore() const { return _nodeStore; }
 };
 
-extern template class BTreeNodeAllocator<uint32_t, uint32_t, NoAggregated,
-                                         BTreeDefaultTraits::INTERNAL_SLOTS,
-                                         BTreeDefaultTraits::LEAF_SLOTS>;
-extern template class BTreeNodeAllocator<uint32_t, BTreeNoLeafData, NoAggregated,
-                                         BTreeDefaultTraits::INTERNAL_SLOTS,
-                                         BTreeDefaultTraits::LEAF_SLOTS>;
-extern template class BTreeNodeAllocator<uint32_t, int32_t, MinMaxAggregated,
-                                         BTreeDefaultTraits::INTERNAL_SLOTS,
-                                         BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeNodeAllocator<uint32_t, uint32_t, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeNodeAllocator<uint32_t, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeNodeAllocator<uint32_t, int32_t, MinMaxAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeNodeAllocator<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeNodeAllocator<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
 
 }
 
diff --git a/vespalib/src/vespa/vespalib/btree/btreerootbase.cpp b/vespalib/src/vespa/vespalib/btree/btreerootbase.cpp
index b6eb589ea4a..48f4754ec4c 100644
--- a/vespalib/src/vespa/vespalib/btree/btreerootbase.cpp
+++ b/vespalib/src/vespa/vespalib/btree/btreerootbase.cpp
@@ -4,14 +4,10 @@
 
 namespace vespalib::btree {
 
-template class BTreeRootBase<uint32_t, uint32_t, NoAggregated,
-                             BTreeDefaultTraits::INTERNAL_SLOTS,
-                             BTreeDefaultTraits::LEAF_SLOTS>;
-template class BTreeRootBase<uint32_t, BTreeNoLeafData, NoAggregated,
-                             BTreeDefaultTraits::INTERNAL_SLOTS,
-                             BTreeDefaultTraits::LEAF_SLOTS>;
-template class BTreeRootBase<uint32_t, int32_t, MinMaxAggregated,
-                             BTreeDefaultTraits::INTERNAL_SLOTS,
-                             BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeRootBase<uint32_t, uint32_t, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeRootBase<uint32_t, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeRootBase<uint32_t, int32_t, MinMaxAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeRootBase<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+template class BTreeRootBase<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
 
 }
diff --git a/vespalib/src/vespa/vespalib/btree/btreerootbase.h b/vespalib/src/vespa/vespalib/btree/btreerootbase.h
index 108cb2412a1..fa179dc8730 100644
--- a/vespalib/src/vespa/vespalib/btree/btreerootbase.h
+++ b/vespalib/src/vespa/vespalib/btree/btreerootbase.h
@@ -85,14 +85,10 @@ protected:
     void recursiveDelete(BTreeNode::Ref node, NodeAllocatorType &allocator);
 };
 
-extern template class BTreeRootBase<uint32_t, uint32_t, NoAggregated,
-                                    BTreeDefaultTraits::INTERNAL_SLOTS,
-                                    BTreeDefaultTraits::LEAF_SLOTS>;
-extern template class BTreeRootBase<uint32_t, BTreeNoLeafData, NoAggregated,
-                                    BTreeDefaultTraits::INTERNAL_SLOTS,
-                                    BTreeDefaultTraits::LEAF_SLOTS>;
-extern template class BTreeRootBase<uint32_t, int32_t, MinMaxAggregated,
-                                    BTreeDefaultTraits::INTERNAL_SLOTS,
-                                    BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeRootBase<uint32_t, uint32_t, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeRootBase<uint32_t, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeRootBase<uint32_t, int32_t, MinMaxAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeRootBase<datastore::AtomicEntryRef, BTreeNoLeafData, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
+extern template class BTreeRootBase<datastore::AtomicEntryRef, datastore::AtomicEntryRef, NoAggregated, BTreeDefaultTraits::INTERNAL_SLOTS, BTreeDefaultTraits::LEAF_SLOTS>;
 
 }
diff --git a/vespalib/src/vespa/vespalib/datastore/entry_comparator.h b/vespalib/src/vespa/vespalib/datastore/entry_comparator.h
index 9de2628b318..205284ee299 100644
--- a/vespalib/src/vespa/vespalib/datastore/entry_comparator.h
+++ b/vespalib/src/vespa/vespalib/datastore/entry_comparator.h
@@ -14,14 +14,14 @@ namespace vespalib::datastore {
  */
 class EntryComparator {
 public:
-    virtual ~EntryComparator() {}
+    virtual ~EntryComparator() = default;
 
     /**
      * Returns true if the value represented by lhs ref is less than the value represented by rhs ref.
      */
-    virtual bool less(const EntryRef lhs, const EntryRef rhs) const = 0;
-    virtual bool equal(const EntryRef lhs, const EntryRef rhs) const = 0;
-    virtual size_t hash(const EntryRef rhs) const = 0;
+    virtual bool less(const EntryRef lhs, const EntryRef rhs) const noexcept = 0;
+    virtual bool equal(const EntryRef lhs, const EntryRef rhs) const noexcept = 0;
+    virtual size_t hash(const EntryRef rhs) const noexcept = 0;
 };
 
 }
diff --git a/vespalib/src/vespa/vespalib/datastore/entry_comparator_wrapper.h b/vespalib/src/vespa/vespalib/datastore/entry_comparator_wrapper.h
index e31b639928a..02281ab0435 100644
--- a/vespalib/src/vespa/vespalib/datastore/entry_comparator_wrapper.h
+++ b/vespalib/src/vespa/vespalib/datastore/entry_comparator_wrapper.h
@@ -12,10 +12,10 @@ namespace vespalib::datastore {
 class EntryComparatorWrapper {
     const EntryComparator &_comp;
 public:
-    EntryComparatorWrapper(const EntryComparator &comp)
+    EntryComparatorWrapper(const EntryComparator &comp) noexcept
         : _comp(comp)
     { }
-    bool operator()(const AtomicEntryRef &lhs, const AtomicEntryRef &rhs) const {
+    bool operator()(const AtomicEntryRef &lhs, const AtomicEntryRef &rhs) const noexcept {
         return _comp.less(lhs.load_acquire(), rhs.load_acquire());
     }
 };
diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store.hpp b/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
index b2c4d4e8d7e..ab2770bc1b0 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
@@ -29,7 +29,7 @@ using DefaultUniqueStoreDictionary = UniqueStoreDictionary<DefaultDictionary>;
 
 template <typename EntryT, typename RefT, typename Comparator, typename Allocator>
 UniqueStore<EntryT, RefT, Comparator, Allocator>::UniqueStore(std::shared_ptr<alloc::MemoryAllocator> memory_allocator)
-    : UniqueStore(std::move(memory_allocator),  [](const auto& data_store) { return ComparatorType(data_store);})
+    : UniqueStore(std::move(memory_allocator),  [](const auto& data_store) noexcept { return ComparatorType(data_store);})
 {}
 
 template <typename EntryT, typename RefT, typename Comparator, typename Allocator>
diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store_comparator.h b/vespalib/src/vespa/vespalib/datastore/unique_store_comparator.h
index 267245bc215..68a0a532ed3 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store_comparator.h
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store_comparator.h
@@ -16,13 +16,13 @@ namespace vespalib::datastore {
 template <typename EntryT>
 class UniqueStoreComparatorHelper {
 public:
-    static bool less(const EntryT& lhs, const EntryT& rhs) {
+    static bool less(const EntryT& lhs, const EntryT& rhs) noexcept {
         return lhs < rhs;
     }
-    static bool equal(const EntryT& lhs, const EntryT& rhs) {
+    static bool equal(const EntryT& lhs, const EntryT& rhs) noexcept {
         return lhs == rhs;
     }
-    static size_t hash(const EntryT& rhs) {
+    static size_t hash(const EntryT& rhs) noexcept {
         vespalib::hash<EntryT> hasher;
         return hasher(rhs);
     }
@@ -36,7 +36,7 @@ template <typename EntryT>
 class UniqueStoreFloatingPointComparatorHelper
 {
 public:
-    static bool less(EntryT lhs, const EntryT rhs) {
+    static bool less(EntryT lhs, const EntryT rhs) noexcept {
         if (std::isnan(lhs)) {
             return !std::isnan(rhs);
         } else if (std::isnan(rhs)) {
@@ -45,7 +45,7 @@ public:
             return (lhs < rhs);
         }
     }
-    static bool equal(EntryT lhs, const EntryT rhs) {
+    static bool equal(EntryT lhs, const EntryT rhs) noexcept {
         if (std::isnan(lhs)) {
             return std::isnan(rhs);
         } else if (std::isnan(rhs)) {
@@ -54,7 +54,7 @@ public:
             return (lhs == rhs);
         }
     }
-    static size_t hash(EntryT rhs) {
+    static size_t hash(EntryT rhs) noexcept {
         if (std::isnan(rhs)) {
             return 0;
         } else {
@@ -98,7 +98,7 @@ protected:
     const DataStoreType &_store;
     const EntryType _lookup_value;
 
-    inline const EntryType &get(EntryRef ref) const {
+    const EntryType &get(EntryRef ref) const noexcept {
         if (ref.valid()) {
             RefType iRef(ref);
             return _store.template getEntry<WrappedEntryType>(iRef)->value();
@@ -106,34 +106,34 @@ protected:
             return _lookup_value;
         }
     }
-    UniqueStoreComparator(const DataStoreType &store, const EntryType &lookup_value)
+    UniqueStoreComparator(const DataStoreType &store, const EntryType &lookup_value) noexcept
         : _store(store),
           _lookup_value(lookup_value)
     {
     }
 public:
-    UniqueStoreComparator(const DataStoreType &store)
+    UniqueStoreComparator(const DataStoreType &store) noexcept
         : _store(store),
           _lookup_value()
     {
     }
 
-    bool less(const EntryRef lhs, const EntryRef rhs) const override {
+    bool less(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         const EntryType &lhsValue = get(lhs);
         const EntryType &rhsValue = get(rhs);
         return UniqueStoreComparatorHelper<EntryT>::less(lhsValue, rhsValue);
     }
-    bool equal(const EntryRef lhs, const EntryRef rhs) const override {
+    bool equal(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         const EntryType &lhsValue = get(lhs);
         const EntryType &rhsValue = get(rhs);
         return UniqueStoreComparatorHelper<EntryT>::equal(lhsValue, rhsValue);
     }
-    size_t hash(const EntryRef rhs) const override {
+    size_t hash(const EntryRef rhs) const noexcept override {
         const EntryType &rhsValue = get(rhs);
         return UniqueStoreComparatorHelper<EntryT>::hash(rhsValue);
     }
 
-    UniqueStoreComparator<EntryT, RefT> make_for_lookup(const EntryType& lookup_value) const {
+    UniqueStoreComparator<EntryT, RefT> make_for_lookup(const EntryType& lookup_value) const noexcept {
         return UniqueStoreComparator<EntryT, RefT>(_store, lookup_value);
     }
 };
diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store_entry_base.h b/vespalib/src/vespa/vespalib/datastore/unique_store_entry_base.h
index b8496f40464..a14e32ab2ad 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store_entry_base.h
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store_entry_base.h
@@ -15,18 +15,18 @@ namespace vespalib::datastore {
 class UniqueStoreEntryBase {
     mutable uint32_t _ref_count;
 protected:
-    constexpr UniqueStoreEntryBase()
+    constexpr UniqueStoreEntryBase() noexcept
         : _ref_count(0u)
     {
     }
 public:
-    uint32_t get_ref_count() const { return _ref_count; }
-    void set_ref_count(uint32_t ref_count) const { _ref_count = ref_count; }
-    void inc_ref_count() const {
+    uint32_t get_ref_count() const noexcept { return _ref_count; }
+    void set_ref_count(uint32_t ref_count) const noexcept { _ref_count = ref_count; }
+    void inc_ref_count() const noexcept {
         assert(_ref_count < std::numeric_limits<uint32_t>::max());
         ++_ref_count;
     }
-    void dec_ref_count() const {
+    void dec_ref_count() const noexcept {
         assert(_ref_count > 0u);
         --_ref_count;
     }
diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store_string_allocator.h b/vespalib/src/vespa/vespalib/datastore/unique_store_string_allocator.h
index 1294a936a38..06b51ad301c 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store_string_allocator.h
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store_string_allocator.h
@@ -32,12 +32,12 @@ uint32_t get_type_id(size_t string_len);
 class UniqueStoreSmallStringEntry : public UniqueStoreEntryBase {
     char _value[0];
 public:
-    constexpr UniqueStoreSmallStringEntry()
+    constexpr UniqueStoreSmallStringEntry() noexcept
         : UniqueStoreEntryBase(),
           _value()
     { }
 
-    UniqueStoreSmallStringEntry(const char *value, size_t value_len, size_t array_size)
+    UniqueStoreSmallStringEntry(const char *value, size_t value_len, size_t array_size) noexcept
         : UniqueStoreEntryBase()
     {
         assert(value_offset() + value_len < array_size);
@@ -45,12 +45,12 @@ public:
         memset(&_value[0] + value_len, 0, array_size - value_len - value_offset());
     }
 
-    void clean_hold(size_t array_size) {
+    void clean_hold(size_t array_size) noexcept {
         memset(&_value[0], 0, array_size - value_offset());
     }
 
-    const char *value() const { return &_value[0]; }
-    size_t value_offset() const { return &_value[0] - reinterpret_cast<const char *>(this); }
+    const char *value() const noexcept { return &_value[0]; }
+    size_t value_offset() const noexcept { return &_value[0] - reinterpret_cast<const char *>(this); }
 };
 
 /*
diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store_string_comparator.h b/vespalib/src/vespa/vespalib/datastore/unique_store_string_comparator.h
index a0f338ad931..f91f2c1fd9b 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store_string_comparator.h
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store_string_comparator.h
@@ -23,7 +23,7 @@ protected:
     const DataStoreType &_store;
     const char *_lookup_value;
 
-    const char *get(EntryRef ref) const {
+    const char *get(EntryRef ref) const noexcept {
         if (ref.valid()) {
             RefType iRef(ref);
             const auto &meta = _store.getBufferMeta(iRef.bufferId());
@@ -37,33 +37,33 @@ protected:
             return _lookup_value;
         }
     }
-    UniqueStoreStringComparator(const DataStoreType &store, const char *lookup_value)
+    UniqueStoreStringComparator(const DataStoreType &store, const char *lookup_value) noexcept
         : _store(store),
           _lookup_value(lookup_value)
     {
     }
 public:
-    UniqueStoreStringComparator(const DataStoreType &store)
+    UniqueStoreStringComparator(const DataStoreType &store) noexcept
         : _store(store),
           _lookup_value(nullptr)
     {
     }
-    bool less(const EntryRef lhs, const EntryRef rhs) const override {
+    bool less(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         const char *lhs_value = get(lhs);
         const char *rhs_value = get(rhs);
         return (strcmp(lhs_value, rhs_value) < 0);
     }
-    bool equal(const EntryRef lhs, const EntryRef rhs) const override {
+    bool equal(const EntryRef lhs, const EntryRef rhs) const noexcept override {
         const char *lhs_value = get(lhs);
         const char *rhs_value = get(rhs);
         return (strcmp(lhs_value, rhs_value) == 0);
     }
-    size_t hash(const EntryRef rhs) const override {
+    size_t hash(const EntryRef rhs) const noexcept override {
         const char *rhs_value = get(rhs);
         vespalib::hash<const char *> hasher;
         return hasher(rhs_value);
     }
-    UniqueStoreStringComparator<RefT> make_for_lookup(const char* lookup_value) const {
+    UniqueStoreStringComparator<RefT> make_for_lookup(const char* lookup_value) const noexcept {
         return UniqueStoreStringComparator<RefT>(_store, lookup_value);
     }
 };
diff --git a/vespalib/src/vespa/vespalib/text/utf8.h b/vespalib/src/vespa/vespalib/text/utf8.h
index b1168c48ccf..26439f16d66 100644
--- a/vespalib/src/vespa/vespalib/text/utf8.h
+++ b/vespalib/src/vespa/vespalib/text/utf8.h
@@ -304,7 +304,7 @@ public:
      *
      * @return a valid UCS-4 codepoint
      **/
-    uint32_t getChar() noexcept{ return getChar(Utf8::REPLACEMENT_CHAR); }
+    uint32_t getChar() noexcept { return getChar(Utf8::REPLACEMENT_CHAR); }
 
     /**
      * count the number of UCS-4 characters will be returned when