Since C23 support is substantially feature-complete, update
documentation to no longer refer to it as experimental and incomplete.
Bootstrapped with no regressions for x86_64-pc-linux-gnu.
gcc/
* doc/cpp.texi (__STDC_VERSION__): Do not refer to C23 support as
experimental.
* doc/invoke.texi (std=c23, std=gnu23): Do not document as
experimental and incomplete.
* doc/standards.texi: Do not refer to C23 support as experimental
and incomplete.
gcc/c-family/
* c.opt (std=c23, std=gnu23, std=iso9899:2024): Do not mark as
experimental and incomplete.
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
index 3fd331cda82..e2c01083aec 100644
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -2590,7 +2590,7 @@ Conform to the ISO 2017 C standard (published in 2018).
std=c23
C ObjC
-Conform to the ISO 2023 C standard draft (expected to be published in 2024)
(experimental and incomplete support).
+Conform to the ISO 2023 C standard draft (expected to be published in 2024).
std=c2x
C ObjC Alias(std=c23)
@@ -2692,7 +2692,7 @@ Conform to the ISO 2017 C standard (published in 2018)
with GNU extensions.
std=gnu23
C ObjC
-Conform to the ISO 2023 C standard draft (expected to be published in 2024)
with GNU extensions (experimental and incomplete support).
+Conform to the ISO 2023 C standard draft (expected to be published in 2024)
with GNU extensions.
std=gnu2x
C ObjC Alias(std=gnu23)
@@ -2748,7 +2748,7 @@ Conform to the ISO 2017 C standard (published in 2018).
std=iso9899:2024
C ObjC Alias(std=c23)
-Conform to the ISO 2023 C standard draft (expected to be published in 2024)
(experimental and incomplete support).
+Conform to the ISO 2023 C standard draft (expected to be published in 2024).
stdlib=
Driver C++ ObjC++ Common Condition(ENABLE_STDLIB_OPTION) Var(flag_stdlib_kind)
Joined Enum(stdlib_kind) RejectNegative Init(1)
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi
index db3a075c5a9..a83aa263df0 100644
--- a/gcc/doc/cpp.texi
+++ b/gcc/doc/cpp.texi
@@ -1887,7 +1887,7 @@ the 1999 revision of the C standard; the value
@code{201112L}
signifies the 2011 revision of the C standard; the value
@code{201710L} signifies the 2017 revision of the C standard (which is
otherwise identical to the 2011 version apart from correction of
-defects). The value @code{202311L} is used for the experimental
+defects). The value @code{202311L} is used for the
@option{-std=c23} and @option{-std=gnu23} modes. An unspecified value
larger than @code{202311L} is used for the experimental
@option{-std=c2y} and @option{-std=gnu2y} modes.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 07920e07b4d..19c148a7d6f 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -2480,8 +2480,7 @@ applied with @option{-std=c11}) and a new value of
@itemx c2x
@itemx iso9899:2024
ISO C23, the 2023 revision of the ISO C standard (expected to be
-published in 2024). The support for this version is experimental and
-incomplete. The name @samp{c2x} is deprecated.
+published in 2024). The name @samp{c2x} is deprecated.
@item c2y
The next version of the ISO C standard, still under development. The
@@ -2506,8 +2505,7 @@ GNU dialect of ISO C17. This is the default for C code.
@item gnu23
@itemx gnu2x
-GNU dialect of ISO C23. The support for this version is experimental
-and incomplete. The name @samp{gnu2x} is deprecated.
+GNU dialect of ISO C23. The name @samp{gnu2x} is deprecated.
@item gnu2y
The next version of the ISO C standard, still under development, plus
diff --git a/gcc/doc/standards.texi b/gcc/doc/standards.texi
index 484fbb10352..4ef28e910d7 100644
--- a/gcc/doc/standards.texi
+++ b/gcc/doc/standards.texi
@@ -115,10 +115,10 @@ known as @dfn{C17} and is supported with
@option{-std=c17} or
@option{-std=c11}, and the only difference between the options is the
value of @code{__STDC_VERSION__}.
-A fifth version of the C standard, known as @dfn{C23}, is under
-development and expected to be published in 2024 as ISO/IEC 9899:2024.
+A fifth version of the C standard, known as @dfn{C23}, is
+expected to be published in 2024 as ISO/IEC 9899:2024.
(While in development, drafts of this standard version were referred
-to as @dfn{C2X}.) Experimental and incomplete support for this is
+to as @dfn{C2X}.) Support for this is
enabled with @option{-std=c23} or @option{-std=iso9899:2024}.
A further version of the C standard, known as @dfn{C2Y}, is under
--
Joseph S. Myers
josmy...@redhat.com
