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GCC Administrator
2026-04-04 00:16:27 +00:00
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33
gcc/ChangeLog
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2026-04-03 Sandra Loosemore <sloosemore@baylibre.com>
PR c/123234
* doc/extend.texi (Decimal Float): Clarify that GCC really does
support only the older N1312 draft as documented here, not the
standard C23 functionality yet.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/124754
* tree-ssa-strlen.cc (strlen_pass::handle_builtin_strcpy): Make
sure both get_stridx calls are done before first get_strinfo call.
(strlen_pass::handle_builtin_memcpy): Likewise.
(strlen_pass::handle_builtin_strcat): Likewise.
2026-04-03 Sandra Loosemore <sloosemore@baylibre.com>
PR debug/94491
* doc/invoke.texi (Debugging Options): Explicitly document what
-g2 does instead of just saying it's the default.
2026-04-03 Sandra Loosemore <sloosemore@baylibre.com>
PR other/94182
* doc/implement-c.texi (Characters implementation): Add
cross-reference to more detailed discussion about signedness.
* doc/invoke.texi (C Dialect Options): Combine -fsigned-char
and -funsigned-char table entries since the following discussion
applies to both. Add an anchor so other things can point at it.
(Warning Options): Add cross-references to the above two places.
Clarify that the warning is given regardless of whether char is
signed or unsigned.
2026-04-02 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/124746

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gcc/DATESTAMP
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20260403
20260404

6
gcc/ada/ChangeLog
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2026-04-03 Tonu Naks <naks@adacore.com>
* doc/gnat_rm/gnat_language_extensions.rst: Adjust rules for
structural generic instantiations.
* gnat_rm.texi: Regenerate.
2026-03-31 Eric Botcazou <ebotcazou@adacore.com>
* sem_attr.adb (Analyze_Attribute) <Attribute_Reduce>: Rewrite the

55
gcc/cp/ChangeLog
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2026-04-03 Alexandre Oliva <oliva@adacore.com>
* coroutines.cc (cp_coroutine_transform::build_ramp_function):
Zero-initialize refcount.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* cp-trait.def (__builtin_is_structural): New trait.
* semantics.cc (trait_expr_value): Handle CPTK_IS_STRUCTURAL.
(finish_trait_expr): Likewise.
* constraint.cc (diagnose_trait_expr): Likewise.
* metafns.gperf (enum metafn_code): Add METAFN_IS_STRUCTURAL_TYPE.
(is_structural_type): New metafn.
* metafns.h: Regenerate.
* reflect.cc (eval_is_structural_type): New function.
(process_metafunction): Handle METAFN_IS_STRUCTURAL_TYPE.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* cp-tree.h (enum cp_built_in_function): Add
CP_BUILT_IN_CURRENT_EXCEPTION and CP_BUILT_IN_UNCAUGHT_EXCEPTIONS.
* tree.cc (builtin_valid_in_constant_expr_p): Handle
those.
* decl.cc (cxx_init_decl_processing): Build
decls for CP_BUILT_IN_CURRENT_EXCEPTION and
CP_BUILT_IN_UNCAUGHT_EXCEPTIONS.
(require_deduced_type): Deduce CP_BUILT_IN_CURRENT_EXCEPTION
return type.
* cp-gimplify.cc (cp_gimplify_expr): Handle
CP_BUILT_IN_CURRENT_EXCEPTION and CP_BUILT_IN_UNCAUGHT_EXCEPTIONS.
* constexpr.cc (enum cxa_builtin): Remove STD_UNCAUGHT_EXCEPTIONS
and STD_CURRENT_EXCEPTION, add BUILTIN_UNCAUGHT_EXCEPTIONS and
BUILTIN_CURRENT_EXCEPTION, renumber some enumerators.
(cxx_cxa_builtin_fn_p): Don't check for std::uncaught_exceptions
nor std::current_exception.
(cxx_eval_cxa_builtin_fn): Handle BUILTIN_UNCAUGHT_EXCEPTIONS
and BUILTIN_CURRENT_EXCEPTION instead of STD_UNCAUGHT_EXCEPTIONS
and STD_CURRENT_EXCEPTION.
(cxx_eval_builtin_function_call): Handle
CP_BUILT_IN_CURRENT_EXCEPTION and CP_BUILT_IN_UNCAUGHT_EXCEPTIONS.
Do just one fndecl_builtin_p check for BUILT_IN_FRONTEND and
switch on DECL_FE_FUNCTION_CODE.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* reflect.cc (eval_data_member_spec): Implement C++26 LWG4517
- data_member_spec should throw for cv-qualified unnamed bit-fields.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
PR c++/124531
* init.cc (build_vec_init): Call braced_lists_to_strings for
array CONSTRUCTORs. Handle RAW_DATA_CST and handle RANGE_EXPR
correctly.
2026-04-02 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/124477

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gcc/fortran/ChangeLog
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2026-04-03 Harald Anlauf <anlauf@gmx.de>
PR fortran/124652
* trans-expr.cc (gfc_conv_procedure_call): Do not clobber a
procedure pointer intent(out) argument.
* trans-intrinsic.cc (conv_isocbinding_function): When passing to
C_FUNLOC a procedure pointer that is a dummy, dereference it.
2026-04-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/100155
* trans-expr.cc (gfc_add_interface_mapping): 'new_sym' dummy
attribute set to zero.
(gfc_conv_procedure_call): Deallocate allocatable components of
a class argument, enclosed in parentheses,wrap up the parmse
and proceed to the next argument.
2026-04-02 Christopher Albert <albert@tugraz.at>
Paul Thomas <pault@gcc.gnu.org>

67
gcc/testsuite/ChangeLog
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2026-04-03 H.J. Lu <hjl.tools@gmail.com>
PR target/123210
* gcc.target/i386/pr123210.c: New test.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/124754
* g++.dg/tree-ssa/strlenopt-3.C: New test.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/reflect/type_trait14.C: New test.
* g++.dg/reflect/eh1.C: Add test for is_structural_type.
* g++.dg/reflect/eh2.C: Likewise.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/cpp26/constexpr-eh3.C: Use __builtin_current_exception()
instead of std::current_exception() and
__builttin_uncaught_exceptions() instead of
std::uncaught_exceptions(). Remove nested_exception related parts
of the test.
* g++.dg/cpp26/constexpr-eh8.C: Use __builtin_current_exception()
instead of std::current_exception().
2026-04-03 Harald Anlauf <anlauf@gmx.de>
PR fortran/124652
* gfortran.dg/c_funloc_tests_10.f90: New test.
2026-04-03 Christopher Albert <albert@tugraz.at>
PR fortran/98203
PR fortran/98203
* gfortran.dg/gomp/pr98203.f90: New test.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/reflect/data_member_spec2.C: Add tests for unnamed bit-fields
with const and/or volatile types.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/reflect/define_aggregate10.C: New test.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/reflect/lwg4556.C: New test.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
PR c++/124531
* g++.dg/cpp/embed-29.C: New test.
* g++.dg/cpp0x/pr124531.C: New test.
2026-04-03 Christopher Albert <albert@tugraz.at>
PR fortran/95163
PR fortran/95163
* gfortran.dg/gomp/pr95163.f90: New test.
2026-04-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/100155
* gfortran.dg/pr100155.f90: New test.
2026-04-02 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/124477

28
libstdc++-v3/ChangeLog
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2026-04-03 Jakub Jelinek <jakub@redhat.com>
* include/bits/version.def (is_structural): New.
* include/bits/version.h: Regenerate.
* include/std/type_traits (__glibcxx_want_is_structural): Define.
(std::is_structural): New type trait.
(std::is_structural_v): New type trait variable template.
* include/std/meta (std::meta::is_structural_type): New declaration.
* src/c++23/std.cc.in: Export std::is_structural, std::is_structural_v
and std::meta::is_structural_type.
* testsuite/20_util/is_structural/requirements/explicit_instantiation.cc: New test.
* testsuite/20_util/is_structural/requirements/typedefs.cc: New test.
* testsuite/20_util/is_structural/value.cc: New test.
* testsuite/20_util/variable_templates_for_traits.cc: Test
is_structural_v.
2026-04-03 Jakub Jelinek <jakub@redhat.com>
* libsupc++/exception_ptr.h (std::make_exception_ptr): Use
__builtin_current_exception() instead of current_exception() if
the builtin exists.
* libsupc++/nested_exception.h: Revert 2026-01-07 and 2025-07-10
changes.
* testsuite/18_support/exception_ptr/exception_ptr_cast.cc (test01):
Use __builtin_current_exception instead of std::current_exception
if __has_builtin(__builtin_current_exception). Otherwise don't
try to constant evaluate test01.
2026-04-02 Patrick Palka <ppalka@redhat.com>
* include/std/ranges (zip_view::size): Uglify 'sizes'