+2026-04-08 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/124810
+ * cfgloopmanip.cc (fix_loop_placements): Do not stop
+ iterating when an inner loop didn't get re-parented.
+ Compute the outermost loop we have to consider re-parenting.
+
+2026-04-08 Prathamesh Kulkarni <prathameshk@nvidia.com>
+
+ * auto-profile.cc (function_instance::merge): Set other->timestamp() if it's
+ lesser than timestamp() and greater than zero or if timestamp() is zero.
+
2026-04-07 H.J. Lu <hjl.tools@gmail.com>
PR target/124759
+2026-04-08 Marek Polacek <polacek@redhat.com>
+ Boris Staletic <boris.staletic@protonmail.com>
+
+ PR c++/123726
+ * reflect.cc (check_splice_expr): Detect accessing a class template
+ or alias template with . or ->.
+ * typeck.cc (finish_class_member_access_expr): Check if the scope of
+ the spliced entity in a member access expression is of a class type.
+ Allow variable_template_p for context_for_name_lookup.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+
+ PR c++/124457
+ * parser.cc (cp_parser_reflect_expression): Check is_auto here
+ instead of...
+ * reflect.cc (get_reflection): ...here.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+ Boris Staletic <boris.staletic@protonmail.com>
+
+ PR c++/124177
+ * tree.cc (handle_annotation_attribute): Decay annotation
+ values. Turn if !type_dependent_expression_p into an assert.
+
+2026-04-08 Yang Kun <yangkun@disroot.org>
+
+ * pt.cc (tsubst_expr): Use gcc_unreachable, not gcc_assert.
+ * parser.cc (cp_parser_template_id): Likewise.
+ * reflect.cc (eval_template_of): Likewise.
+
+2026-04-08 Yang Kun <yangkun@disroot.org>
+
+ * reflect.cc (eval_current_function): Add missing return.
+ (eval_current_class): Likewise.
+
+2026-04-08 Yang Kun <yangkun@disroot.org>
+
+ * reflect.cc (eval_display_string_of): Fix copy-paste error in exception
+ messages.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * parser.cc (cp_parser_omp_loop_nest): Write orig_declv, not incrv.
+
+2026-04-08 Yang Kun <yangkun@disroot.org>
+
+ * parser.cc (cp_parser_omp_clause_proc_bind): Fix error message
+ (cp_parser_omp_clause_device_type): Likewise.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+
+ PR c++/124617
+ * parser.cc (cp_parser_reflect_expression): Call baselink_for_fns.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * constraint.cc (diagnose_trait_expr): Remove CPTK_IS_CONSTEVAL_ONLY
+ handling.
+ * metafns.gperf (enum metafn_code): Remove
+ METAFN_IS_CONSTEVAL_ONLY_TYPE.
+ (is_consteval_only_type): Remove.
+ * semantics.cc (trait_expr_value, finish_trait_expr): Remove
+ CPTK_IS_CONSTEVAL_ONLY handling.
+ * cp-trait.def (__builtin_is_consteval_only): Remove.
+ * metafns.h: Regenerate.
+ * reflect.cc (eval_is_consteval_only_type): Remove.
+ (process_metafunction): Don't handle METAFN_IS_CONSTEVAL_ONLY_TYPE.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * decl.cc (cp_finish_decomp): Implement CWG3135 - constexpr structured
+ bindings with prvalues from tuples (as a DR). Don't call
+ cp_build_reference_type if init is prvalue.
+
2026-04-07 Patrick Palka <ppalka@redhat.com>
PR c++/123700
+2026-04-08 Christopher Albert <albert@tugraz.at>
+
+ PR fortran/96986
+ * resolve.cc (resolve_global_procedure): Move entry symbol
+ lookup outside the resolved != -1 block.
+
+2026-04-08 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/93715
+ * trans-decl.cc (gfc_trans_deferred_vars): Skip auto array
+ allocation for scalar coarrays.
+
2026-04-07 Christopher Albert <albert@tugraz.at>
PR fortran/102430
+2026-04-08 Joseph Myers <josmyers@redhat.com>
+
+ * zh_CN.po: Update.
+
2026-04-07 Joseph Myers <josmyers@redhat.com>
* sv.po, zh_CN.po: Update.
+2026-04-08 Christopher Albert <albert@tugraz.at>
+
+ PR fortran/96986
+ * gfortran.dg/pr96986.f90: New test.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+ Boris Staletic <boris.staletic@protonmail.com>
+
+ PR c++/123726
+ * g++.dg/reflect/member1.C: Adjust dg-error.
+ * g++.dg/reflect/member22.C: New test.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+
+ PR c++/124457
+ * g++.dg/reflect/concept1.C: New test.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+ Boris Staletic <boris.staletic@protonmail.com>
+
+ PR c++/124177
+ * g++.dg/reflect/annotations18.C: New test.
+
+2026-04-08 Marek Polacek <polacek@redhat.com>
+
+ PR c++/124617
+ * g++.dg/reflect/dep12.C: New test.
+ * g++.dg/reflect/dep13.C: New test.
+
+2026-04-08 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/124810
+ * gcc.dg/torture/pr124810.c: New testcase.
+
+2026-04-08 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
+
+ * g++.dg/modules/modules.exp: Use "@nul" for Windows,
+ "@/dev/null" for other environments.
+
+2026-04-08 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/93715
+ * gfortran.dg/pr93715.f90: New test.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * g++.dg/reflect/is_consteval_only1.C: Remove.
+ * g++.dg/reflect/eh1.C: Remove is_consteval_only_type tests.
+ * g++.dg/reflect/eh2.C: Likewise.
+ * g++.dg/reflect/type_trait5.C: Likewise.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * g++.dg/cpp26/decomp30.C: New test.
+ * g++.dg/gomp/pr108503.C: Adjust expected diagnostic locations.
+
2026-04-07 Christopher Albert <albert@tugraz.at>
PR fortran/102430
+2026-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR d/88150
+ * testsuite/lib/libphobos.exp (libphobos_skipped_test_p): Extract
+ filename from $test.
+ * testsuite/libphobos.shared/shared.exp (libphobos_skip_tests):
+ Skip libphobos.shared/finalize.d etc. on Solaris.
+
+2026-04-08 Iain Buclaw <ibuclaw@gdcproject.org>
+
+ PR d/123202
+ * testsuite/lib/libphobos.exp
+ (check_effective_target_phobos_ieee_flags_support): New proc.
+ * testsuite/libphobos.phobos/phobos.exp: Skip math/hardware.d tests if
+ target does not have phobos_iee_flags_support.
+ * testsuite/libphobos.phobos/shared/phobos-shared.exp: Likewise.
+ * testsuite/libphobos.phobos/static/phobos-static.exp: Likewise.
+
2026-04-01 Iain Buclaw <ibuclaw@gdcproject.org>
* libdruntime/MERGE: Merge upstream druntime 55e64690bc.
+2026-04-08 Matthias Kretz <m.kretz@gsi.de>
+ Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/bits/funcref_impl.h (function_ref::function_ref):
+ Change nontype_t parameter to constant_wrapper, and adjust
+ accordingly. Add static_assert detecting ambigous semantics.
+ (function_ref::operator=): Detect constant_wrapper rather than
+ nontype_t.
+ * include/bits/funcwrap.h (function_ref): Change nontype_t
+ parameter to constant_wrapper in deduction guides.
+ * include/bits/utility.h (std::nontype_t, std::nontype)
+ (std::__is_nontype_v): Remove.
+ (std::__is_constant_wrapper_v): Define.
+ * src/c++23/std.cc.in (std::nontype_t, std::nontype):
+ Remove exports.
+ * testsuite/20_util/function_ref/cw_cons_neg.cc: New tests
+ for ambiguity check.
+ * testsuite/20_util/function_ref/assign.cc: Replace nontype_t
+ with constant_wrapper and nontype with std::cw.
+ * testsuite/20_util/function_ref/call.cc: Likewise.
+ * testsuite/20_util/function_ref/cons.cc: Likewise.
+ * testsuite/20_util/function_ref/cons_neg.cc: Likewise.
+ * testsuite/20_util/function_ref/dangling.cc: Likewise.
+ * testsuite/20_util/function_ref/deduction.cc: Likewise.
+ * testsuite/20_util/function_ref/mutation.cc: Likewise.
+
+2026-04-08 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/bits/utility.h (std::_CwFixedValue, std::_ConstExprParam)
+ (std::_CwOperators, std::constant_wrapper): Moved from...
+ * include/std/type_traits (std::_CwFixedValue, std::_ConstExprParam)
+ (std::_CwOperators, std::constant_wrapper): Moved to bits/utility.h.
+ Disable __cpp_lib_constant_wrapper defintion.
+ * include/std/utility: Define __cpp_lib_constant_wrapper.
+ * testsuite/20_util/constant_wrapper/adl.cc: Updated header includes.
+ * testsuite/20_util/constant_wrapper/ex.cc: Likewise.
+ * testsuite/20_util/constant_wrapper/generic.cc: Likewise.
+ * testsuite/20_util/constant_wrapper/instantiate.cc: Likewise.
+ * testsuite/20_util/constant_wrapper/op_comma_neg.cc: Likewise.
+ * testsuite/20_util/constant_wrapper/other_wrappers.cc: Likewise.
+ * testsuite/20_util/constant_wrapper/version.cc: Likewise.
+
+2026-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * include/std/type_traits (std::is_consteval_only,
+ std::is_consteval_only_v): Remove.
+ * include/std/meta (std::meta::is_consteval_only_type): Remove.
+ * src/c++23/std.cc.in: Don't export std::is_consteval_only,
+ std::is_consteval_only_v and std::meta::is_consteval_only_type.
+ * testsuite/20_util/is_consteval_only/requirements/explicit_instantiation.cc:
+ Remove.
+ * testsuite/20_util/is_consteval_only/requirements/typedefs.cc:
+ Remove.
+ * testsuite/20_util/is_consteval_only/value.cc: Remove.
+ * testsuite/20_util/variable_templates_for_traits.cc: Remove
+ is_consteval_only_v tests.
+
2026-04-07 Tomasz Kamiński <tkaminsk@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4): Make string exports