Merge bitcoin/bitcoin#25662: contrib: prune valgrind suppressions

a08c972 contrib: remove unneeded valgrind suppressions (fanquake)
cc5b39e ci: better pin to dwarf4 in valgrind job (fanquake)

Pull request description:

  Prune some unneeded suppressions. Running either valgrind job locally these are no-longer needed.

Top commit has no ACKs.

Tree-SHA512: e191f121d545efb428fa1a0ca40f843593dd95e9895313d764364ed1fb409105a0ac264d1a67dc024ee241afa64a193a241d12be9abbe0549a24006fe845bd9c

Author: MacroFake

ci/test/00_setup_env_native_fuzz_with_valgrind.sh

@@ -16,5 +16,5 @@ export RUN_FUZZ_TESTS=true
 export FUZZ_TESTS_CONFIG="--valgrind"
 export GOAL="install"
 # Temporarily pin dwarf 4, until valgrind can understand clang's dwarf 5
-export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer CC=clang CXX=clang++ CXXFLAGS='-fdebug-default-version=4'"
+export BITCOIN_CONFIG="--enable-fuzz --with-sanitizers=fuzzer CC=clang CXX=clang++ CFLAGS='-gdwarf-4' CXXFLAGS='-gdwarf-4'"
 export CCACHE_SIZE=200M

ci/test/00_setup_env_native_valgrind.sh

@@ -14,4 +14,4 @@ export NO_DEPENDS=1
 export TEST_RUNNER_EXTRA="--nosandbox --exclude feature_init,rpc_bind,feature_bind_extra"  # Excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
 export GOAL="install"
 # Temporarily pin dwarf 4, until valgrind can understand clang's dwarf 5
-export BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --with-gui=no CC=clang CXX=clang++ CXXFLAGS='-fdebug-default-version=4'"  # TODO enable GUI
+export BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --with-gui=no CC=clang CXX=clang++ CFLAGS='-gdwarf-4' CXXFLAGS='-gdwarf-4'"  # TODO enable GUI

contrib/valgrind.supp

@@ -64,12 +64,6 @@
    ...
    obj:*/libdb_cxx-*.so
 }
-{
-   Suppress leaks on init
-   Memcheck:Leak
-   ...
-   fun:_Z11AppInitMainR11NodeContext
-}
 {
    Suppress leaks on shutdown
    Memcheck:Leak
@@ -82,21 +76,6 @@
    ...
    obj:/usr/lib64/libgdk-3.so.0.2404.7
 }
-{
-   Suppress leveldb warning (leveldb::InitModule()) - https://github.com/google/leveldb/issues/113
-   Memcheck:Leak
-   match-leak-kinds: reachable
-   fun:_Znwm
-   fun:_ZN7leveldbL10InitModuleEv
-}
-{
-   Suppress leveldb warning (leveldb::Env::Default()) - https://github.com/google/leveldb/issues/113
-   Memcheck:Leak
-   match-leak-kinds: reachable
-   fun:_Znwm
-   ...
-   fun:_ZN7leveldbL14InitDefaultEnvEv
-}
 {
    Suppress leveldb leak
    Memcheck:Leak