Compile warnings by LLVM 13 #8432
Description
Some warnings show up when I tried the llvm-13.0.0 against the latest master.
RecRawStats.cc:580:122: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
(reinterpret_cast<char *>(&reinterpret_cast<RecRecord *>(0)->stat_meta) -
^
1 warning generated.
Makefile:2601: warning: overriding recipe for target 'CompileParseRules'
Makefile:1191: warning: ignoring old recipe for target 'CompileParseRules'
Makefile:2601: warning: overriding recipe for target 'CompileParseRules'
Makefile:1191: warning: ignoring old recipe for target 'CompileParseRules'
In file included from MemArena.cc:27:
In file included from ../../include/tscore/MemArena.h:30:
../../include/tscpp/util/MemSpan.h:239:13: warning: definition of implicit copy assignment operator for 'MemSpan<void>' is deprecated because it has a user-declared copy constructor [-Wdeprecated-copy]
constexpr MemSpan(self_type const &that) = default;
^
MemArena.cc:77:13: note: in implicit copy assignment operator for 'ts::MemSpan<void>' first required here
zret = _active->alloc(n);
^
1 warning generated.
UnixUDPNet.cc:966:7: warning: variable 'real_len' set but not used [-Wunused-but-set-variable]
int real_len = 0;
^
1 warning generated.
/Library/Developer/CommandLineTools/usr/bin/ranlib: file: libinknet.a(BoringSSLUtils.o) has no symbols
/Library/Developer/CommandLineTools/usr/bin/ranlib: file: libinknet.a(SSLInternal.o) has no symbols
/Library/Developer/CommandLineTools/usr/bin/ranlib: file: libinknet.a(BoringSSLUtils.o) has no symbols
/Library/Developer/CommandLineTools/usr/bin/ranlib: file: libinknet.a(SSLInternal.o) has no symbols
In file included from HTTP.cc:30:
In file included from ./HTTP.h:29:
../../include/tscore/HTTPVersion.h:30:3: warning: definition of implicit copy assignment operator for 'HTTPVersion' is deprecated because it has a user-declared copy constructor [-Wdeprecated-copy]
HTTPVersion(HTTPVersion const &that) = default;
^
HTTP.cc:286:21: note: in implicit copy assignment operator for 'HTTPVersion' first required here
hh->m_version = HTTP_1_0;
^
1 warning generated.
In file included from HttpTransact.cc:30:
In file included from ./HttpTransact.h:28:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/hostdb/P_HostDB.h:35:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/P_SplitDNS.h:33:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/P_DNS.h:33:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/I_DNS.h:34:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/hostdb/I_HostDB.h:37:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/hostdb/I_HostDBProcessor.h:31:
../../include/tscore/HTTPVersion.h:30:3: warning: definition of implicit copy assignment operator for 'HTTPVersion' is deprecated because it has a user-declared copy constructor [-Wdeprecated-copy]
HTTPVersion(HTTPVersion const &that) = default;
^
HttpTransact.cc:1709:46: note: in implicit copy assignment operator for 'HTTPVersion' first required here
s->server_info.http_version = HTTP_1_0;
^
In file included from HttpSM.cc:25:
In file included from ./../ProxyTransaction.h:26:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/proxy/ProxySession.h:31:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/net/P_Net.h:100:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/net/P_UnixNet.h:141:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/P_DNSConnection.h:34:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/I_DNSProcessor.h:27:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/dns/SRV.h:28:
In file included from /opt/src/github.com/apache/trafficserver-asf-master/iocore/hostdb/I_HostDBProcessor.h:31:
../../include/tscore/HTTPVersion.h:30:3: warning: definition of implicit copy assignment operator for 'HTTPVersion' is deprecated because it has a user-declared copy constructor [-Wdeprecated-copy]
HTTPVersion(HTTPVersion const &that) = default;
^
HttpSM.cc:4419:55: note: in implicit copy assignment operator for 'HTTPVersion' first required here
t_state.host_db_info.app.http_data.http_version = t_state.updated_server_version;
^
1 warning generated.
1 warning generated.
CoreAPIShared.cc:145:9: warning: variable 'requestPtr' set but not used [-Wunused-but-set-variable]
char *requestPtr;
^
1 warning generated.
traffic_logcat/logcat.cc:122:12: warning: variable 'bytes' set but not used [-Wunused-but-set-variable]
unsigned bytes = 0;
^
1 warning generated.
esi/lib/EsiGunzip.cc:81:13: warning: variable 'unzipped_data_size' set but not used [-Wunused-but-set-variable]
int32_t unzipped_data_size = 0;
^
1 warning generated.
generator/generator.cc:541:13: warning: variable 'consumed' set but not used [-Wunused-but-set-variable]
ssize_t consumed = 0;
^
1 warning generated.
experimental/statichit/statichit.cc:369:13: warning: variable 'consumed' set but not used [-Wunused-but-set-variable]
ssize_t consumed = 0;
^
cachekey/.libs/common.o: no symbols
1 warning generated.
gold_tests/tls/ssl-post.c:164:7: warning: variable 'total_read' set but not used [-Wunused-but-set-variable]
int total_read = 0;
^
1 warning generated.