On Mon, Feb 02, 2026 at 11:16:22AM -0500, Patrick Palka wrote: > On Mon, 2 Feb 2026, Jakub Jelinek wrote: > > > On Mon, Feb 02, 2026 at 10:46:28AM -0500, Patrick Palka wrote: > > > Bootstrapped and regtested on x86_64-pc-linux-gnu, does this look > > > OK for trunk and perhaps 14/15? > > > > > > -- >8 -- > > > > > > As per https://github.com/cplusplus/draft/pull/8450 > > > > > > gcc/c-family/ChangeLog: > > > > > > * c-cppbuiltin.cc (c_cpp_builtins): Bump __cpp_deduction_guides to > > > 202207L for C++23. > > > > > > gcc/testsuite/ChangeLog: > > > > > > * g++.dg/cpp23/feat-cxx2b.C: Adjust expected __cpp_deduction_guides > > > value. > > > > No changes to gcc/testsuite/g++.dg/cpp26/feat-cxx26.C ? > > D'oh, I conflated the two test failures.. Here's an update patch that > I'm retesting:
LGTM but will defer to Jason for the final ack. Though, https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations doesn't list it (while the standard does), so perhaps 202207 [P2582R1] Wording for class template argument deduction from inherited constructors entry should be added there too. Jakub
