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from 4289e488ddd c++: Make OMP UDR DECL_LOCAL_DECL_P earlier new a0e4d7b44c5 libstdc++: Implement C++20 features for <sstream> new a4223abb3de c: Allow omitted parameter names for C2x new 54ef7701a9d value-range: Give up on POLY_INT_CST ranges [PR97457] new 3dcd47389b1 AArch64: Skip test for pr97535 on ILP32 since it can't expr [...] new dfbadb8ce9f syscall: don't build libcall_bsd.go on solaris

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Summary of changes: gcc/c/c-decl.c | 4 +- gcc/go/gofrontend/MERGE | 2 +- gcc/testsuite/gcc.dg/c11-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-2.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-3.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-4.c | 6 + gcc/testsuite/gcc.dg/c2x-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c2x-parm-omit-2.c | 10 ++ gcc/testsuite/gcc.dg/c2x-parm-omit-3.c | 23 +++ gcc/testsuite/gcc.dg/c2x-parm-omit-4.c | 5 + gcc/testsuite/gcc.dg/noncompile/pr79758.c | 2 +- gcc/testsuite/gcc.dg/vect/pr97457.c | 15 ++ gcc/testsuite/gcc.target/aarch64/pr97535.c | 2 +- gcc/value-range.cc | 30 +--- libgo/go/syscall/libcall_bsd.go | 2 +- libstdc++-v3/acinclude.m4 | 2 +- libstdc++-v3/config/abi/pre/gnu.ver | 108 ++++++++++-- libstdc++-v3/configure | 16 +- libstdc++-v3/include/std/sstream | 196 +++++++++++++++++++++ libstdc++-v3/src/Makefile.am | 12 +- libstdc++-v3/src/Makefile.in | 14 +- libstdc++-v3/src/{c++17 => c++20}/Makefile.am | 33 +--- libstdc++-v3/src/{c++17 => c++20}/Makefile.in | 56 ++---- libstdc++-v3/src/c++20/sstream-inst.cc | 108 ++++++++++++ .../27_io/basic_istringstream/cons/char/1.cc | 85 +++++++++ .../27_io/basic_istringstream/cons/wchar_t/1.cc | 85 +++++++++ .../basic_istringstream/view/char/1.cc} | 19 +- .../basic_istringstream/view/wchar_t/1.cc} | 19 +- .../27_io/basic_ostringstream/cons/char/1.cc | 85 +++++++++ .../27_io/basic_ostringstream/cons/wchar_t/1.cc | 85 +++++++++ .../basic_ostringstream/view/char/1.cc} | 19 +- .../basic_ostringstream/view/wchar_t/1.cc} | 19 +- .../testsuite/27_io/basic_stringbuf/cons/char/2.cc | 121 +++++++++++++ .../27_io/basic_stringbuf/cons/wchar_t/2.cc | 105 +++++++++++ .../basic_stringbuf/view/char/1.cc} | 19 +- .../basic_stringbuf/view/wchar_t/1.cc} | 19 +- .../27_io/basic_stringstream/cons/char/1.cc | 85 +++++++++ .../27_io/basic_stringstream/cons/wchar_t/1.cc | 85 +++++++++ .../basic_stringstream/view/char/1.cc} | 19 +- .../basic_stringstream/view/wchar_t/1.cc} | 19 +- 40 files changed, 1354 insertions(+), 200 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/c11-parm-omit-1.c create mode 100644 gcc/testsuite/gcc.dg/c11-parm-omit-2.c create mode 100644 gcc/testsuite/gcc.dg/c11-parm-omit-3.c create mode 100644 gcc/testsuite/gcc.dg/c11-parm-omit-4.c create mode 100644 gcc/testsuite/gcc.dg/c2x-parm-omit-1.c create mode 100644 gcc/testsuite/gcc.dg/c2x-parm-omit-2.c create mode 100644 gcc/testsuite/gcc.dg/c2x-parm-omit-3.c create mode 100644 gcc/testsuite/gcc.dg/c2x-parm-omit-4.c create mode 100644 gcc/testsuite/gcc.dg/vect/pr97457.c copy libstdc++-v3/src/{c++17 => c++20}/Makefile.am (86%) copy libstdc++-v3/src/{c++17 => c++20}/Makefile.in (92%) create mode 100644 libstdc++-v3/src/c++20/sstream-inst.cc create mode 100644 libstdc++-v3/testsuite/27_io/basic_istringstream/cons/char/1.cc create mode 100644 libstdc++-v3/testsuite/27_io/basic_istringstream/cons/wchar_t/1.cc copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_istringstr [...] copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_istringstr [...] create mode 100644 libstdc++-v3/testsuite/27_io/basic_ostringstream/cons/char/1.cc create mode 100644 libstdc++-v3/testsuite/27_io/basic_ostringstream/cons/wchar_t/1.cc copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_ostringstr [...] copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_ostringstr [...] create mode 100644 libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/char/2.cc create mode 100644 libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/wchar_t/2.cc copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_stringbuf/ [...] copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_stringbuf/ [...] create mode 100644 libstdc++-v3/testsuite/27_io/basic_stringstream/cons/char/1.cc create mode 100644 libstdc++-v3/testsuite/27_io/basic_stringstream/cons/wchar_t/1.cc copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_stringstre [...] copy libstdc++-v3/testsuite/{20_util/to_address/debug.cc => 27_io/basic_stringstre [...]