sys-devel/gcc: add 14.3.1_p20260306

Signed-off-by: Sam James <sam@gentoo.org>

sys-devel/gcc/Manifest

@@ -30,6 +30,7 @@ DIST gcc-14-20260206.tar.xz 88365888 BLAKE2B 8ab03dea6ef6f20bffb15198a327fc686a0
 DIST gcc-14-20260213.tar.xz 88372424 BLAKE2B 7831805a232eb732cba36853849a2b3e7dfc8911a4944ac25e3baea08ed6282b7850a62acd6d13877e23b44f8744e684753c1cb08d2957434a1a602843ad4db2 SHA512 0957d2b63269f43abc59538021b59bfa9971188eb194d2de2ebd50726ee19aa0f2903652d0ed20e240d5df77c308f19365f7c55351b8c35c3f91a3da5d0d73d7
 DIST gcc-14-20260220.tar.xz 88374408 BLAKE2B e06578c3e17aded587bc857b67229a49b7dc9070b8989f440f1861fbf88b466e603e5398b467f1f88a2fd990d7cb6cd3533fac47c95d53b7a1baa7bbdf712048 SHA512 a9080da674d31bb7b29685c49c4b0546ce8fe1a2bec607f50a3a94ead1ad4ac2015f0ae5510ce5ceb0c2ad089745ca0f55905bc36b087fe09f87c9471021e418
 DIST gcc-14-20260227.tar.xz 88377520 BLAKE2B 1b542572649e0200934ddb2ee096f1ef4b06e12a86b12a98991f3e4cc8738659a2b02f4b6d77afd70064d59f731a4e6400c51e764598aa0facdd028ee1e9be0a SHA512 fac95c7f487463af7508f5ed6504a0d72f2a507d679dd4f3f10c827f2d0095e9743feabf410376a1995e0387d1e51939f112253ea0ff02c114731dd2bcd5d372
+DIST gcc-14-20260306.tar.xz 88371144 BLAKE2B 88708d5bc8102cda936f22b00e8710d01e93bf38fc482cdcedd623fbf145697ca3aaecfb2a3238b9f40aaa5b8934a1747699fca1d2af27365bbe2c823c0e9420 SHA512 c0c36b9c02127fa246aea0aa86a20eb843505236646b47524f8eeac06bb210da05f94f6e52f4337b7bf384a776f5ca8adf65adb8f2604ed22a7b626fd7ca7c6c
 DIST gcc-14.3.0-musl-patches-2.tar.xz 6888 BLAKE2B e2f9ce6d445b7ced8f78c18585887422ffdd32356368a456a7cfde5a1854515b32546c1d25a2ab8637ee62d04a2c0bda1afc8d53c44e5c80c12499918c3c18fc SHA512 0b59d228213024cd93d9ffbd4ae5947021db2dc71bd320cc0e4ccf523d39f72e61be25c1a49a343729fe7b9abf7181503de3e650b255d80ab6d969d0de317d19
 DIST gcc-14.3.0-patches-4.tar.xz 28116 BLAKE2B 5804f10b40befad1cb9eab4e536377c08aed8c54d3de27f188ae2d52fa7c082a529ad9cb64f9574087afe74e64138c9fc918d653bd2c1d062b8b68d5c7ab640d SHA512 75ee4895efea0131107cf664a0f9fd10f38da0d0f93704e1920778e07f1a860d872a97e1e528f8e1ab754cca25948bb09c444b80cc04f5ae3a516336290bb99c
 DIST gcc-14.3.0-patches-5.tar.xz 53952 BLAKE2B 3e5f63d760caf3c18c0f683c00170bb71998b4f0e15552103359d5c0954144676f6ca60e3e367a94cbdff0ab9bec21f3e04e30c38aae8f7e79911da30e6aeb76 SHA512 1702b7f6ee791468d02fcb9d418d2dd48e10cd6dc6eab0cf455aaf848bb78d953b00690fd78cab1ddd5af02acc237072c99ee43f0e512ae3e2e5f922f40f0dfe

sys-devel/gcc/gcc-14.3.1_p20260306.ebuild

@@ -0,0 +1,57 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
+TOOLCHAIN_PATCH_DEV="sam"
+TOOLCHAIN_HAS_TESTS=1
+PATCH_GCC_VER="14.3.0"
+PATCH_VER="5"
+MUSL_VER="2"
+MUSL_GCC_VER="14.3.0"
+PYTHON_COMPAT=( python3_{11..14} )
+
+if [[ -n ${TOOLCHAIN_GCC_RC} ]] ; then
+	# Cheesy hack for RCs
+	MY_PV=$(ver_cut 1).$((($(ver_cut 2) + 1))).$((($(ver_cut 3) - 1)))-RC-$(ver_cut 5)
+	MY_P=${PN}-${MY_PV}
+	GCC_TARBALL_SRC_URI="mirror://gcc/snapshots/${MY_PV}/${MY_P}.tar.xz"
+	TOOLCHAIN_SET_S=no
+	S="${WORKDIR}"/${MY_P}
+fi
+
+inherit toolchain
+
+if tc_is_live ; then
+	# Needs to be after inherit (for now?), bug #830908
+	EGIT_BRANCH=releases/gcc-$(ver_cut 1)
+elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
+	# m68k doesnt build (ICE, bug 932733)
+	#KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+	:;
+fi
+
+if [[ ${CATEGORY} != cross-* ]] ; then
+	# Technically only if USE=hardened *too* right now, but no point in complicating it further.
+	# If GCC is enabling CET by default, we need glibc to be built with support for it.
+	# bug #830454
+	RDEPEND="elibc_glibc? ( sys-libs/glibc[cet(-)?] )"
+	DEPEND="${RDEPEND}"
+fi
+
+src_prepare() {
+	local p upstreamed_patches=(
+		# add them here
+	)
+	for p in "${upstreamed_patches[@]}"; do
+		rm -v "${WORKDIR}/patch/${p}" || die
+	done
+
+	toolchain_src_prepare
+
+	eapply "${FILESDIR}"/${PN}-13-fix-cross-fixincludes.patch
+	eapply_user
+}