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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_cross/gnu-master-arm-check_cross in repository toolchain/ci/gcc.

from 812798917c5 c++: Allow subobject references in C++20. adds e443d821386 c++: Pseudo-destructor ends object lifetime. adds 932fbc868ad libstdc++: Add std::from_chars for floating-point types

No new revisions were added by this update.

Summary of changes: gcc/cp/pt.c | 3 +- gcc/cp/semantics.c | 21 +- gcc/testsuite/g++.dg/opt/flifetime-dse7.C | 16 + libstdc++-v3/acinclude.m4 | 2 +- libstdc++-v3/config.h.in | 6 + libstdc++-v3/config/abi/pre/gnu.ver | 7 + libstdc++-v3/config/os/gnu-linux/ldbl-extra.ver | 4 + libstdc++-v3/configure | 65 +++- libstdc++-v3/configure.ac | 5 + libstdc++-v3/crossconfig.m4 | 6 + libstdc++-v3/include/std/charconv | 14 + libstdc++-v3/src/c++17/Makefile.am | 1 + libstdc++-v3/src/c++17/Makefile.in | 5 +- libstdc++-v3/src/c++17/floating_from_chars.cc | 422 +++++++++++++++++++++ .../testsuite/20_util/from_chars/1_c++20_neg.cc | 1 + libstdc++-v3/testsuite/20_util/from_chars/1_neg.cc | 1 + libstdc++-v3/testsuite/20_util/from_chars/2.cc | 11 + libstdc++-v3/testsuite/20_util/from_chars/4.cc | 368 ++++++++++++++++++ libstdc++-v3/testsuite/20_util/from_chars/5.cc | 163 ++++++++ libstdc++-v3/testsuite/util/testsuite_abi.cc | 7 +- 20 files changed, 1114 insertions(+), 14 deletions(-) create mode 100644 gcc/testsuite/g++.dg/opt/flifetime-dse7.C create mode 100644 libstdc++-v3/src/c++17/floating_from_chars.cc create mode 100644 libstdc++-v3/testsuite/20_util/from_chars/4.cc create mode 100644 libstdc++-v3/testsuite/20_util/from_chars/5.cc