devel/electron25: Build failure on CURRENT with clang17

On my FreeBSD 15.0-CURRENT amd64 boxes with clang 17 as base compiler I get:

===>  Building for electron25-25.9.8_1
ninja: Entering directory `out/Release'
[  0% 1/32805] c++ -MMD -MF obj/base/base/reentry_guard.o.d 
-DBASE_IMPLEMENTATION -DIS_RAW_PTR_IMPL -DSYSTEM_NATIVE_UTF8 
-DUSE_SYMBOLIZE -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD 
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 
-DNO_UNWIND_TABLES -D_GNU_SOURCE -DNDEBUG -DNVALGRIND 
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -DIS_MAS_BUILD\(\)=0 
-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_56 
-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_56 -DUSE_SYSTEM_LIBEVENT=1 
-DGLOG_EXPORT= -DUSING_SYSTEM_ICU=1
-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_STATIC -DU_FINAL=final 
-DU_NOEXCEPT=noexcept -DU_OVERRIDE=override -DU_IMPORT=U_EXPORT -I../.. 
-Igen -I../../third_party/perfetto/include 
-Igen/third_party/perfetto/build_config -Igen/third_party/perfetto 
-Igen/shim_headers/libevent_shim -Igen/shim_headers/icui18n_shim 
-Igen/shim_headers/icuuc_shim -I../../third_party/abseil-cpp 
-I../../third_party/boringssl/src/include 
-I../../third_party/protobuf/src -Igen/protoc_out -Wall -Wextra 
-Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive 
-Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter 
-Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration 
-Wenum-compare-conditional -Wno-ignored-pragma-optimize -Wshadow 
-fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing 
--param=ssp-buffer-size=4 -fstack-protector -fno-unwind-tables 
-fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics 
-fmerge-all-constants -m64 -msse3 -Xclang -fdebug-compilation-dir 
-Xclang . -no-canonical-prefixes -ftrivial-auto-var-init=pattern 
-fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene 
-Wstring-conversion -Wtautological-overlap-compare -Wshorten-64-to-32 
-Wimplicit-int-conversion -Wsign-compare -Wsign-conversion 
-Wtautological-unsigned-zero-compare -Wexit-time-destructors 
-Wglobal-constructors -I/usr/local/include -I/usr/local/include/glib-2.0 
-I/usr/local/lib/glib-2.0/include -O2 -fdata-sections 
-ffunction-sections -fno-unique-section-names 
-DPROTOBUF_ALLOW_DEPRECATED=1 -I/usr/local/include -I/usr/local/include 
-std=c++20 -Wno-trigraphs -fno-exceptions -fno-rtti 
-fvisibility-inlines-hidden -O2 -pipe -fstack-protector-strong -isystem 
/usr/local/include -fno-strict-aliasing  -isystem /usr/local/include  -c 
../../base/allocator/dispatcher/reentry_guard.cc -o 
obj/base/base/reentry_guard.o
FAILED: obj/base/base/reentry_guard.o
c++ -MMD -MF obj/base/base/reentry_guard.o.d -DBASE_IMPLEMENTATION 
-DIS_RAW_PTR_IMPL -DSYSTEM_NATIVE_UTF8 -DUSE_SYMBOLIZE -DUSE_AURA=1 
-DUSE_GLIB=1 -DUSE_OZONE=1 -DOFFICIAL_BUILD -D__STDC_CONSTANT_MACROS 
-D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 -D_FILE_OFFSET_BITS=64 
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES 
-D_GNU_SOURCE -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 
-DIS_MAS_BUILD\(\)=0 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_56 
-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_56 -DUSE_SYSTEM_LIBEVENT=1 
-DGLOG_EXPORT= -DUSING_SYSTEM_ICU=1 
-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_STATIC -DU_FINAL=final 
-DU_NOEXCEPT=noexcept -DU_OVERRIDE=override -DU_IMPORT=U_EXPORT -I../.. 
-Igen -I../../third_party/perfetto/include 
-Igen/third_party/perfetto/build_config -Igen/third_party/perfetto 
-Igen/shim_headers/libevent_shim -Igen/shim_headers/icui18n_shim 
-Igen/shim_headers/icuuc_shim -I../../third_party/abseil-cpp 
-I../../third_party/boringssl/src/include 
-I../../third_party/protobuf/src -Igen/protoc_out -Wall -Wextra 
-Wimplicit-fallthrough -Wextra-semi -Wunreachable-code-aggressive 
-Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter 
-Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration 
-Wenum-compare-conditional -Wno-ignored-pragma-optimize -Wshadow 
-fno-delete-null-pointer-checks -fno-ident -fno-strict-aliasing 
--param=ssp-buffer-size=4 -fstack-protector -fno-unwind-tables 
-fno-asynchronous-unwind-tables -fPIC -pthread -fcolor-diagnostics 
-fmerge-all-constants -m64 -msse3 -Xclang -fdebug-compilation-dir 
-Xclang . -no-canonical-prefixes -ftrivial-auto-var-init=pattern 
-fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene 
-Wstring-conversion -Wtautological-overlap-compare -Wshorten-64-to-32 
-Wimplicit-int-conversion -Wsign-compare -Wsign-conversion 
-Wtautological-unsigned-zero-compare -Wexit-time-destructors 
-Wglobal-constructors -I/usr/local/include -I/usr/local/include/glib-2.0 
-I/usr/local/lib/glib-2.0/include -O2 -fdata-sections 
-ffunction-sections -fno-unique-section-names 
-DPROTOBUF_ALLOW_DEPRECATED=1 -I/usr/local/include -I/usr/local/include 
-std=c++20 -Wno-trigraphs -fno-exceptions -fno-rtti 
-fvisibility-inlines-hidden -O2 -pipe -fstack-protector-strong -isystem 
/usr/local/include -fno-strict-aliasing  -isystem /usr/local/include  -c 
../../base/allocator/dispatcher/reentry_guard.cc -o 
obj/base/base/reentry_guard.o
In file included from ../../base/allocator/dispatcher/reentry_guard.cc:9:
In file included from ../../base/debug/crash_logging.h:16:
In file included from ../../base/strings/string_number_conversions.h:15:
In file included from ../../base/containers/span.h:19:
../../base/containers/checked_iterators.h:248:8: error: no template 
named '__is_cpp17_contiguous_iterator'; did you mean 
'__libcpp_is_contiguous_iterator'?
   248 | struct 
__is_cpp17_contiguous_iterator<::base::CheckedContiguousIterator<T>>
       |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       |        __libcpp_is_contiguous_iterator
/usr/include/c++/v1/__iterator/iterator_traits.h:476:8: note: 
'__libcpp_is_contiguous_iterator' declared here
   476 | struct __libcpp_is_contiguous_iterator : _Or<
       |        ^
1 error generated.
ninja: build stopped: subcommand failed.
*** Error code 1


Any clues?

Best wishes,
Rainer Hurling