dev-util/electron: build fails with clang-19

[blackteahamburger]

[2297/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_internal.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/internal/track_event_internal.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_internal.o
FAILED: obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_internal.o 
clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_internal.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/internal/track_event_internal.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_internal.o
In file included from ../../third_party/perfetto/src/tracing/internal/track_event_internal.cc:23:
In file included from ../../third_party/perfetto/include/perfetto/tracing/track_event.h:20:
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:331:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  331 |     Base::template Trace([](typename Base::TraceContext ctx) { ctx.Flush(); });
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:337:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  337 |     Base::template CallIfEnabled(
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:352:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  352 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:499:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  499 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:1050:22: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
 1050 |       Base::template TraceWithInstances(instances, std::move(lambda));
      |                      ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:1064:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
 1064 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
6 errors generated.
[2298/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/platform.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/platform.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/platform.o
[2299/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_interned_fields.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/internal/track_event_interned_fields.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/track_event_interned_fields.o
[2300/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/tracing_policy.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/tracing_policy.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/tracing_policy.o
[2301/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/traced_value.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/traced_value.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/traced_value.o
[2302/38437] clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/track.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/track.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/track.o
FAILED: obj/third_party/perfetto/src/tracing/client_api_without_backends/track.o 
clang++ -MD -MF obj/third_party/perfetto/src/tracing/client_api_without_backends/track.o.d -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPERFETTO_IMPLEMENTATION -I../.. -Igen -Igen/shim_headers/zlib_shim -I../../third_party/perfetto -I../../third_party/perfetto/src/profiling/memory/include -I../../third_party/perfetto/include -Igen/third_party/perfetto/build_config -Igen/third_party/perfetto -I../../third_party/protobuf/src -Igen/protoc_out -Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-ignored-pragma-optimize -Wno-deprecated-builtins -Wno-bitfield-constant-conversion -Wno-deprecated-this-capture -Wno-invalid-offsetof -Wno-vla-extension -Wno-thread-safety-reference-return -Wshadow -fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing -fstack-protector -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -no-canonical-prefixes -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -DPROTOBUF_ALLOW_DEPRECATED=1 -Wenum-compare-conditional -Wno-c++11-narrowing-const-reference -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti -fvisibility-inlines-hidden  -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -march=native -O3 -fno-semantic-interposition -flto=auto -pipe -fwhole-program-vtables -Wno-unknown-warning-option -Wno-builtin-macro-redefined -c ../../third_party/perfetto/src/tracing/track.cc -o obj/third_party/perfetto/src/tracing/client_api_without_backends/track.o
In file included from ../../third_party/perfetto/src/tracing/track.cc:26:
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:331:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  331 |     Base::template Trace([](typename Base::TraceContext ctx) { ctx.Flush(); });
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:337:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  337 |     Base::template CallIfEnabled(
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:352:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  352 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:499:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  499 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:1050:22: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
 1050 |       Base::template TraceWithInstances(instances, std::move(lambda));
      |                      ^
../../third_party/perfetto/include/perfetto/tracing/internal/track_event_data_source.h:1064:20: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
 1064 |     Base::template Trace([&](typename Base::TraceContext ctx) {
      |                    ^
6 errors generated.

See also https://bugs.gentoo.org/937541 for a working patch.

[PF4Public]

It would be great if you mentioned your version of clang and electron as I had no issues with them:

$ qlist -Iv|egrep '/electron-|/clang-'
dev-util/electron-32.0.1
dev-util/electron-31.4.0
sys-devel/clang-19.0.0_pre20240706
sys-devel/clang-18.1.8

[blackteahamburger]

dev-util/electron-30.5.1 (required by vscode):

[ebuild N ] dev-util/electron-30.5.1:30/5.1::pf4public USE="X (clang) custom-cflags optimize-webui system-crc32c system-double-conversion system-harfbuzz system-icu system-jsoncpp system-libevent system-libusb system-openh264 system-openjpeg system-png system-snappy system-woff2 system-zstd ungoogled wayland -bluetooth -cups -debug -dev-dependencies -gtk4 -hangouts -hevc -kerberos -libcxx -nvidia -optimize-thinlto -pax-kernel -pgo -proprietary-codecs -pulseaudio -screencast (-selinux) -system-abseil-cpp -system-av1 -system-brotli -system-ffmpeg -system-libvpx -system-re2 -thinlto -vaapi" L10N="zh-CN -af -am -ar -bg -bn -ca -cs -da -de -el -en-GB -es -es-419 -et -fa -fi -fil -fr -gu -he -hi -hr -hu -id -it -ja -kn -ko -lt -lv -ml -mr -ms -nb -nl -pl -pt-BR -pt-PT -ro -ru -sk -sl -sr -sv -sw -ta -te -th -tr -uk -ur -vi -zh-TW" 0 KiB

and sys-devel/clang-19.1.2