Snippets for llvm 22.1.8 from Alpine s390x

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-s390x/main/llvm22/llvm22-22.1.8-r1.log.

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/lib/Support/BLAKE3/blake3.c:365:10: warning: unused variable 'num_cvs' [-Wunused-variable]
    365 |   size_t num_cvs = blake3_compress_subtree_wide(input, input_len, key,
        |          ^~~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/lib/Transforms/Vectorize/VPlanPatternMatch.h:332:61: warning: parameter 'P' set but not used [-Wunused-but-set-parameter]
    332 |   bool all_of_tuple_elements(std::index_sequence<Is...>, Fn P) const {
        |                                                          ~~~^
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp:6316:40: warning: enumerated and non-enumerated type in conditional expression [-Wextra]
   6316 |       (Opcode == TargetOpcode::G_ASHR) ? TargetOpcode::G_LSHR : Opcode;
        |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/include/llvm/CodeGen/SelectionDAG.h:324:27: warning: storing the address of local variable 'Listener' in '*this.llvm::SelectionDAG::UpdateListeners' [-Wdangling-pointer=]
    324 |       DAG.UpdateListeners = this;
        |       ~~~~~~~~~~~~~~~~~~~~^~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp:179:6: warning: 'bool {anonymous}::ControlConditions::isEquivalent(const {anonymous}::ControlConditions&) const' defined but not used [-Wunused-function]
    179 | bool ControlConditions::isEquivalent(const ControlConditions &Other) const {
        |      ^~~~~~~~~~~~~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp:106:1: warning: 'static const std::optional<{anonymous}::ControlConditions> {anonymous}::ControlConditions::collectControlConditions(const llvm::BasicBlock&, const llvm::BasicBlock&, const llvm::DominatorTree&, const llvm::PostDominatorTree&, unsigned int)' defined but not used [-Wunused-function]
    106 | ControlConditions::collectControlConditions(const BasicBlock &BB,
        | ^~~~~~~~~~~~~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/include/llvm/CodeGen/SelectionDAG.h:518:53: warning: storing the address of local variable 'FlagsInserter' in '*DAG.llvm::SelectionDAG::Inserter' [-Wdangling-pointer=]
    518 |   void setFlagInserter(FlagInserter *FI) { Inserter = FI; }
        |                                            ~~~~~~~~~^~~~
  

• /usr/include/c++/15.2.0/bits/unique_ptr.h:93:9: warning: 'void operator delete(void*, std::size_t)' called on unallocated object '{anonymous}::B' [-Wfree-nonheap-object]
     93 |         delete __ptr;
        |         ^~~~~~~~~~~~
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/unittests/Option/OptionParsingTest.cpp:258:20: warning: moving 'AL' of type 'llvm::opt::InputArgList' to itself [-Wself-move]
    258 |   AL = std::move(AL);
        |                    ^
  

• /usr/include/c++/15.2.0/bits/move.h:236:11: warning: 'DstResources' is used uninitialized [-Wuninitialized]
    236 |       __a = _GLIBCXX_MOVE(__b);
        |           ^
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/third-party/unittest/googletest/include/gtest/gtest.h:1457:28: warning: comparison between two arrays [-Warray-compare]
   1457 | GTEST_IMPL_CMP_HELPER_(NE, !=)
        |                            ^
  

• /home/buildozer/aports/main/llvm22/src/llvm-project-22.1.8.src/llvm/unittests/ADT/CountCopyAndMove.h:34:58: warning: '<unnamed>.._anon_176::__Counter.llvm::CountCopyAndMove::val' is used uninitialized [-Wuninitialized]
     34 |   CountCopyAndMove(CountCopyAndMove &&other) : val(other.val) {
        |                                                    ~~~~~~^~~
  

• /usr/include/c++/15.2.0/bits/atomic_base.h:501:31: warning: 'long unsigned int __atomic_load_8(const volatile void*, int)' writing 8 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
    501 |         return __atomic_load_n(&_M_i, int(__m));
        |                ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~