Bug #120653 LLVM 21 -Wformat / -Wmissing-format-attribute warnings
Description:
FAILED: [code=1] strings/CMakeFiles/strings.dir/ctype.cc.o
/opt/homebrew/opt/llvm/bin/clang++ -DBOOST_NO_CXX98_FUNCTION_BASE -DDISABLE_MYSQL_THREAD_H -DHAVE_TLSv13 -DLZ4_DISABLE_DEPRECATE_WARNINGS -D_USE_MATH_DEFINES -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/include -I/Users/laurynas/vilniusdb/mysql-8.0.46 -I/Users/laurynas/vilniusdb/mysql-8.0.46/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/rapidjson/include -isystem /opt/homebrew/opt/openssl@1.1/include -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/editline -isystem /opt/homebrew/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/zlib/zlib-1.3.2 -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/extra/zlib/zlib-1.3.2 -std=c++17 -fno-omit-frame-pointer -ftls-model=initial-exec -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -Wall -Wextra -Wformat-security -Wvla -Wundef -Wmissing-format-attribute -Woverloaded-virtual -Wcast-qual -Wno-null-conversion -Wno-unused-private-field -Wconditional-uninitialized -Wdeprecated -Wno-deprecated-declarations -Wno-shorten-64-to-32 -Wextra-semi -Wheader-hygiene -Wnon-virtual-dtor -Wundefined-reinterpret-cast -Wrange-loop-analysis -Winconsistent-missing-destructor-override -Winconsistent-missing-override -Wshadow-field -Werror -ffunction-sections -fdata-sections -O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -arch arm64 -fPIC -fcolor-diagnostics -Wshadow-uncaptured-local -MD -MT strings/CMakeFiles/strings.dir/ctype.cc.o -MF strings/CMakeFiles/strings.dir/ctype.cc.o.d --language=c++ -o strings/CMakeFiles/strings.dir/ctype.cc.o -c /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc
/Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:372:37: error: diagnostic behavior may be improved by adding the 'format(printf, 2, 3)' attribute to the declaration of 'tailoring_append' [-Werror,-Wmissing-format-attribute]
366 | static int tailoring_append(MY_XML_PARSER *st, const char *fmt, size_t len,
| [[gnu::format(printf, 2, 3)]]
367 | const char *attr) {
368 | struct my_cs_file_info *i = (struct my_cs_file_info *)st->user_data;
369 | size_t newlen = i->tailoring_length + len + 64; /* 64 for format */
370 | if (MY_XML_OK == my_charset_file_tailoring_realloc(i, newlen)) {
371 | char *dst = i->tailoring + i->tailoring_length;
372 | sprintf(dst, fmt, (int)len, attr);
| ^
/Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:366:12: note: 'tailoring_append' declared here
366 | static int tailoring_append(MY_XML_PARSER *st, const char *fmt, size_t len,
| ^
/Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:386:57: error: diagnostic behavior may be improved by adding the 'format(printf, 2, 3)' attribute to the declaration of 'tailoring_append2' [-Werror,-Wmissing-format-attribute]
379 | static int tailoring_append2(MY_XML_PARSER *st, const char *fmt, size_t len1,
| [[gnu::format(printf, 2, 3)]]
380 | const char *attr1, size_t len2,
381 | const char *attr2) {
382 | struct my_cs_file_info *i = (struct my_cs_file_info *)st->user_data;
383 | size_t newlen = i->tailoring_length + len1 + len2 + 64; /* 64 for format */
384 | if (MY_XML_OK == my_charset_file_tailoring_realloc(i, newlen)) {
385 | char *dst = i->tailoring + i->tailoring_length;
386 | sprintf(dst, fmt, (int)len1, attr1, (int)len2, attr2);
| ^
/Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:379:12: note: 'tailoring_append2' declared here
379 | static int tailoring_append2(MY_XML_PARSER *st, const char *fmt, size_t len1,
| ^
/Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:602:45: error: field precision should have type 'int', but argument has type 'size_t' (aka 'unsigned long') [-Werror,-Wformat]
602 | rc = tailoring_append(st, "[version %.*s]", len, attr);
| ~~^~ ~~~
... many more instances of -Wformat
How to repeat:
CMake options
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DFORCE_UNSUPPORTED_COMPILER=ON -DBUILD_CONFIG=mysql_release -DCMAKE_BUILD_TYPE=Release -DWITH_SYSTEM_LIBS=ON -DWITH_NDBCLUSTER_STORAGE_ENGINE=OFF -DMYSQL_MAINTAINER_MODE=ON -DDOWNLOAD_BOOST=ON -DWITH_BOOST=~/vilniusdb/mysql-boost/ -DFORCE_COLORED_OUTPUT=ON -DCMAKE_C_FLAGS=-O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS=-Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS_DEBUG=-Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS_RELEASE=-O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option
These include workarounds for bug 119238, bug 119239, bug 119242, bug 120650, bug 119246.
With -Wno-format -Wno-missing-format-attribute added:
FAILED: [code=1] router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o
/opt/homebrew/opt/llvm/bin/clang++ -DBOOST_NO_CXX98_FUNCTION_BASE -DHAVE_TLSv13 -DLZ4_DISABLE_DEPRECATE_WARNINGS -D_USE_MATH_DEFINES -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Dconnection_pool_EXPORTS -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/include -I/Users/laurynas/vilniusdb/mysql-8.0.46 -I/Users/laurynas/vilniusdb/mysql-8.0.46/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/src/connection_pool/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/src/harness/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/mysql_protocol/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/rapidjson/include -isystem /opt/homebrew/opt/openssl@1.1/include -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/editline -isystem /opt/homebrew/include -std=c++17 -fno-omit-frame-pointer -ftls-model=initial-exec -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-format -Wno-missing-format-attribute -Wno-unknown-warning-option -Wall -Wextra -Wformat-security -Wvla -Wundef -Wmissing-format-attribute -Woverloaded-virtual -Wcast-qual -Wno-null-conversion -Wno-unused-private-field -Wconditional-uninitialized -Wdeprecated -Wno-deprecated-declarations -Wno-shorten-64-to-32 -Wextra-semi -Wheader-hygiene -Wnon-virtual-dtor -Wundefined-reinterpret-cast -Wrange-loop-analysis -Winconsistent-missing-destructor-override -Winconsistent-missing-override -Wshadow-field -Werror -ffunction-sections -fdata-sections -O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-format -Wno-missing-format-attribute -Wno-unknown-warning-option -arch arm64 -fPIC -fcolor-diagnostics -MD -MT router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o -MF router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o.d --language=c++ -o router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o -c /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/connection_pool_component.cc
In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/connection_pool_component.cc:32:
In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/../include/mysqlrouter/connection_pool.h:38:
In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include/mysql/harness/net_ts/internet.h:53:
/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include/mysql/harness/net_ts/io_context.h:550:9: error: ignoring return value of function declared with 'nodiscard' attribute [-Werror,-Wunused-result]
550 | pending_timers_.extract(cur);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Description: FAILED: [code=1] strings/CMakeFiles/strings.dir/ctype.cc.o /opt/homebrew/opt/llvm/bin/clang++ -DBOOST_NO_CXX98_FUNCTION_BASE -DDISABLE_MYSQL_THREAD_H -DHAVE_TLSv13 -DLZ4_DISABLE_DEPRECATE_WARNINGS -D_USE_MATH_DEFINES -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/include -I/Users/laurynas/vilniusdb/mysql-8.0.46 -I/Users/laurynas/vilniusdb/mysql-8.0.46/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/rapidjson/include -isystem /opt/homebrew/opt/openssl@1.1/include -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/editline -isystem /opt/homebrew/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/zlib/zlib-1.3.2 -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/extra/zlib/zlib-1.3.2 -std=c++17 -fno-omit-frame-pointer -ftls-model=initial-exec -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -Wall -Wextra -Wformat-security -Wvla -Wundef -Wmissing-format-attribute -Woverloaded-virtual -Wcast-qual -Wno-null-conversion -Wno-unused-private-field -Wconditional-uninitialized -Wdeprecated -Wno-deprecated-declarations -Wno-shorten-64-to-32 -Wextra-semi -Wheader-hygiene -Wnon-virtual-dtor -Wundefined-reinterpret-cast -Wrange-loop-analysis -Winconsistent-missing-destructor-override -Winconsistent-missing-override -Wshadow-field -Werror -ffunction-sections -fdata-sections -O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -arch arm64 -fPIC -fcolor-diagnostics -Wshadow-uncaptured-local -MD -MT strings/CMakeFiles/strings.dir/ctype.cc.o -MF strings/CMakeFiles/strings.dir/ctype.cc.o.d --language=c++ -o strings/CMakeFiles/strings.dir/ctype.cc.o -c /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:372:37: error: diagnostic behavior may be improved by adding the 'format(printf, 2, 3)' attribute to the declaration of 'tailoring_append' [-Werror,-Wmissing-format-attribute] 366 | static int tailoring_append(MY_XML_PARSER *st, const char *fmt, size_t len, | [[gnu::format(printf, 2, 3)]] 367 | const char *attr) { 368 | struct my_cs_file_info *i = (struct my_cs_file_info *)st->user_data; 369 | size_t newlen = i->tailoring_length + len + 64; /* 64 for format */ 370 | if (MY_XML_OK == my_charset_file_tailoring_realloc(i, newlen)) { 371 | char *dst = i->tailoring + i->tailoring_length; 372 | sprintf(dst, fmt, (int)len, attr); | ^ /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:366:12: note: 'tailoring_append' declared here 366 | static int tailoring_append(MY_XML_PARSER *st, const char *fmt, size_t len, | ^ /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:386:57: error: diagnostic behavior may be improved by adding the 'format(printf, 2, 3)' attribute to the declaration of 'tailoring_append2' [-Werror,-Wmissing-format-attribute] 379 | static int tailoring_append2(MY_XML_PARSER *st, const char *fmt, size_t len1, | [[gnu::format(printf, 2, 3)]] 380 | const char *attr1, size_t len2, 381 | const char *attr2) { 382 | struct my_cs_file_info *i = (struct my_cs_file_info *)st->user_data; 383 | size_t newlen = i->tailoring_length + len1 + len2 + 64; /* 64 for format */ 384 | if (MY_XML_OK == my_charset_file_tailoring_realloc(i, newlen)) { 385 | char *dst = i->tailoring + i->tailoring_length; 386 | sprintf(dst, fmt, (int)len1, attr1, (int)len2, attr2); | ^ /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:379:12: note: 'tailoring_append2' declared here 379 | static int tailoring_append2(MY_XML_PARSER *st, const char *fmt, size_t len1, | ^ /Users/laurynas/vilniusdb/mysql-8.0.46/strings/ctype.cc:602:45: error: field precision should have type 'int', but argument has type 'size_t' (aka 'unsigned long') [-Werror,-Wformat] 602 | rc = tailoring_append(st, "[version %.*s]", len, attr); | ~~^~ ~~~ ... many more instances of -Wformat How to repeat: CMake options -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DFORCE_UNSUPPORTED_COMPILER=ON -DBUILD_CONFIG=mysql_release -DCMAKE_BUILD_TYPE=Release -DWITH_SYSTEM_LIBS=ON -DWITH_NDBCLUSTER_STORAGE_ENGINE=OFF -DMYSQL_MAINTAINER_MODE=ON -DDOWNLOAD_BOOST=ON -DWITH_BOOST=~/vilniusdb/mysql-boost/ -DFORCE_COLORED_OUTPUT=ON -DCMAKE_C_FLAGS=-O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS=-Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS_DEBUG=-Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option -DCMAKE_CXX_FLAGS_RELEASE=-O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-unknown-warning-option These include workarounds for bug 119238, bug 119239, bug 119242, bug 120650, bug 119246. With -Wno-format -Wno-missing-format-attribute added: FAILED: [code=1] router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o /opt/homebrew/opt/llvm/bin/clang++ -DBOOST_NO_CXX98_FUNCTION_BASE -DHAVE_TLSv13 -DLZ4_DISABLE_DEPRECATE_WARNINGS -D_USE_MATH_DEFINES -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Dconnection_pool_EXPORTS -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/include -I/Users/laurynas/vilniusdb/mysql-8.0.46 -I/Users/laurynas/vilniusdb/mysql-8.0.46/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/src/connection_pool/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/_build-llvm-21-release/router/src/harness/src/../include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/include -I/Users/laurynas/vilniusdb/mysql-8.0.46/router/src/mysql_protocol/include -isystem /Users/laurynas/vilniusdb/mysql-8.0.46/extra/rapidjson/include -isystem /opt/homebrew/opt/openssl@1.1/include -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/editline -isystem /opt/homebrew/include -std=c++17 -fno-omit-frame-pointer -ftls-model=initial-exec -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-format -Wno-missing-format-attribute -Wno-unknown-warning-option -Wall -Wextra -Wformat-security -Wvla -Wundef -Wmissing-format-attribute -Woverloaded-virtual -Wcast-qual -Wno-null-conversion -Wno-unused-private-field -Wconditional-uninitialized -Wdeprecated -Wno-deprecated-declarations -Wno-shorten-64-to-32 -Wextra-semi -Wheader-hygiene -Wnon-virtual-dtor -Wundefined-reinterpret-cast -Wrange-loop-analysis -Winconsistent-missing-destructor-override -Winconsistent-missing-override -Wshadow-field -Werror -ffunction-sections -fdata-sections -O2 -DNDEBUG -Wno-invalid-specialization -g -Wno-uninitialized-const-pointer -Wno-conditional-uninitialized -Wno-unnecessary-virtual-specifier -Wno-nonnull -Wno-unused-but-set-variable -Wno-format-extra-args -Wno-format -Wno-missing-format-attribute -Wno-unknown-warning-option -arch arm64 -fPIC -fcolor-diagnostics -MD -MT router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o -MF router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o.d --language=c++ -o router/src/connection_pool/src/CMakeFiles/connection_pool.dir/connection_pool_component.cc.o -c /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/connection_pool_component.cc In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/connection_pool_component.cc:32: In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/connection_pool/src/../include/mysqlrouter/connection_pool.h:38: In file included from /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include/mysql/harness/net_ts/internet.h:53: /Users/laurynas/vilniusdb/mysql-8.0.46/router/src/harness/src/../include/mysql/harness/net_ts/io_context.h:550:9: error: ignoring return value of function declared with 'nodiscard' attribute [-Werror,-Wunused-result] 550 | pending_timers_.extract(cur); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~