system/gcc: Update to 13.3.0

0012-static-pie and 201-ada were forward-ported by my own paws.

Three digit 0xx underscore patches are from Gentoo.  This is also the
source of the insn-split and match-split patches, which significantly
increase performance on build.  They are also the source of the new
configure option --with-matchpd-partitions.  On systems with very many
cores/threads, a number higher than 32 would probably perform even
better, but 32 should give decent perf on 8+ threads, and runs quite
nicely on the 64-thread Talos II I ran the testbuild on.

202 is from Void.  The 300s are originally written by me.

The Ada patch now includes an improvement to use posix_openpt instead
of getpt, which fixes link errors later on.

We also now use STAGE1_CFLAGS and BOOT_CFLAGS to improve build times.
Improvement was clocked from 40m to 32m (-8m, or 20%) on gwyn.

The patch for Go name mangling is needed to build packages that use
reflect2, which includes user/gitlab-runner.

1 files changed, 0 insertions, 45 deletions

diff --git a/system/gcc/339-gccgo-errstr.patch b/system/gcc/339-gccgo-errstr.patch
deleted file mode 100644
index f78d18aa4..000000000
--- a/system/gcc/339-gccgo-errstr.patch
+++ /dev/null
@@ -1,45 +0,0 @@
---- gcc-8.3.0/libgo/go/syscall/errstr_linux.go	2016-08-06 00:36:33.000000000 +0000
-+++ /dev/null	2019-04-08 15:05:18.560000000 +0000
-@@ -1,31 +0,0 @@
--// errstr_linux.go -- GNU/Linux specific error strings.
--
--// Copyright 2010 The Go Authors. All rights reserved.
--// Use of this source code is governed by a BSD-style
--// license that can be found in the LICENSE file.
--
--// We use this rather than errstr.go because on GNU/Linux sterror_r
--// returns a pointer to the error message, and may not use buf at all.
--
--package syscall
--
--import "unsafe"
--
--//sysnb	strerror_r(errnum int, b []byte) (errstr *byte)
--//strerror_r(errnum _C_int, b *byte, len Size_t) *byte
--
--func Errstr(errnum int) string {
--	a := make([]byte, 128)
--	p := strerror_r(errnum, a)
--	b := (*[1000]byte)(unsafe.Pointer(p))
--	i := 0
--	for b[i] != 0 {
--		i++
--	}
--	// Lowercase first letter: Bad -> bad, but STREAM -> STREAM.
--	if i > 1 && 'A' <= b[0] && b[0] <= 'Z' && 'a' <= b[1] && b[1] <= 'z' {
--		c := b[0] + 'a' - 'A'
--		return string(c) + string(b[1:i])
--	}
--	return string(b[:i])
--}
---- gcc-8.3.0/libgo/go/syscall/errstr.go.old	2016-08-06 00:36:33.000000000 +0000
-+++ gcc-8.3.0/libgo/go/syscall/errstr.go	2019-04-25 05:41:27.915806277 +0000
-@@ -4,8 +4,6 @@
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- 
--// +build !linux
--
- package syscall
- 
- //sysnb	strerror_r(errnum int, buf []byte) (err Errno)