update to GCC 14 (RHEL-30412)

fix wrong RTL patterns for vector merge high/low word on LE (RHEL-45191)

update from releases/gcc-13 branch
PRs ada/114398, ada/114708, c/114493, c++/111529, c++/113598,
end/108789, rtl-optimization/114902,
optimization/115092, target/113281, target/113719, target/115297,
optimization/115192,
optimization/115307, tree-optimization/115337
fix a shell condition (RHEL-40722)
backport a fix for modes_1.f90 (RHEL-40234)
fix up pointer types to may_alias structures (PR c/114493, RHEL-39736)

update from releases/gcc-13 branch
GCC 13.3 release
PRs analyzer/104042, analyzer/108171, analyzer/109251, analyzer/109577,
profile/114115,
profile/114715, ipa/92606, ipa/108007, ipa/111571, ipa/112616,
end/110027, middle-end/111151, middle-end/111632,
end/111683, middle-end/112684, middle-end/112732,
end/113396, middle-end/113622, middle-end/114070,
end/114348, middle-end/114552, middle-end/114599,
end/114734, middle-end/114753, middle-end/114907,
optimization/54052, rtl-optimization/114415,
optimization/114768, rtl-optimization/114924, sanitizer/97696,
optimization/91838,
optimization/109925, tree-optimization/110838,
optimization/111009, tree-optimization/111268,
optimization/111407, tree-optimization/111736,
optimization/111882, tree-optimization/112281,
optimization/112303, tree-optimization/112793,
optimization/112961, tree-optimization/112991,
optimization/113552, tree-optimization/113630,
optimization/113670, tree-optimization/113831,
optimization/113910, tree-optimization/114027,
optimization/114115, tree-optimization/114121,
optimization/114203, tree-optimization/114231,
optimization/114246, tree-optimization/114375,
optimization/114396, tree-optimization/114485,
optimization/114566, tree-optimization/114672,
optimization/114733, tree-optimization/114736,
optimization/114749, tree-optimization/114787,
optimization/114799, tree-optimization/114876,
optimization/114965, tree-optimization/115143,
optimization/115152, tree-optimization/115154
add --without-clang-plugin --without-llvm-plugin to annobin configure

use the system dir in --with-libstdcxx-zoneinfo (RHEL-20522)

add f95 (RHEL-17656)

update from releases/gcc-13 branch
PRs c++/33799, c++/102191, c++/111703, c++/112269, c++/112301, c++/112633,
end/111497, target/53372, target/110411, target/111408,
optimization/111137,
optimization/111465, tree-optimization/111967,
optimization/112496
add -fno-stack-protector to aarch64 tests (RHEL-16940)

update from releases/gcc-13 branch
PRs c++/89038, c/111884, d/110712, d/112270, fortran/67740, fortran/97245,
end/111253, middle-end/111818, modula2/111756, modula2/112110,
optimization/111397, tree-optimization/111445,
optimization/111489, tree-optimization/111583,
optimization/111614, tree-optimization/111622,
optimization/111694, tree-optimization/111764,
optimization/111820, tree-optimization/111833,
optimization/111917
fix aarch64 RA ICE (#2241139, PR target/111528)
fix ia32 doubleword rotates (#2238781, PR target/110792)

update from releases/gcc-13 branch
PRs ada/110488, ada/111434, c++/99631, c++/111471, c++/111485, c++/111493,
end/111699, modula2/111510, target/111121,
optimization/110315, tree-optimization/110386,
optimization/111331, tree-optimization/111519

fix utf-1.C with -gdwarf-4 (#2217506)

fix switch to -gdwarf-4 on RHEL 8 (#2217938)
apply some testsuite fixes (#2217506)

don't require libgccjit-docs (#2216334)

update from releases/gcc-13 branch (#2188499)
PRs bootstrap/110085, c++/109871, fortran/100607, libgcc/109670,
end/110200, target/82931, target/92729, target/104327,
optimization/109505, tree-optimization/110165,
optimization/110166

update from releases/gcc-13 branch
PRs c++/80488, c++/83258, c++/97700, c++/103807, c++/109651, c++/109745,

update from releases/gcc-13 branch
PRs c++/91618, c++/96604, c++/109506, c++/109640, c++/109642, c++/109666,
optimization/109585,
optimization/109573, tree-optimization/109609,
optimization/109724, tree-optimization/109778

update from releases/gcc-13 branch (#2188499)
GCC 13.1 release
PRs c/107041, target/109566
remove libcc1