system/gcc: bump to 8.3.0

These patches have been forward-ported to 8:
    002_all_default-relro.patch
    005_all_default-as-needed.patch
    011_all_default-warn-format-security.patch
    012_all_default-warn-trampolines.patch

We are no longer using fortify-headers, so these patches are no longer needed:
    003_all_default-fortify-source.patch
    050_all_libiberty-asprintf.patch
    053_all_libitm-no-fortify-source.patch

These patches no longer appear necessary:
    067_all_gcc-poison-system-directories.patch
    090_all_pr55930-dependency-tracking.patch
    201-cilkrts.patch
    203-libgcc_s.patch
    207-static-pie.patch

These patches have already been applied upstream:
    204-linux_libc_has_function.patch
    332-gccgo-remove-ustat.patch
    ada-aarch64-multiarch.patch
    ada-fixes.patch
    boehm-gc-musl.patch
    fix-rs6000-pie.patch
    gcc-4.8-build-args.patch
    lra-pentium.patch

These patches are no longer necessary because GCJ has been removed:
    310-build-gcj-s390x.patch
    fix-gcj-iconv-musl.patch
    fix-gcj-musl.patch
    fix-gcj-stdgnu14-link.patch

The rest of the changes are updates from nsz's patchset.

1 files changed, 0 insertions, 59 deletions

diff --git a/system/gcc/201-cilkrts.patch b/system/gcc/201-cilkrts.patch
deleted file mode 100644
index 4aac10d6d..000000000
--- a/system/gcc/201-cilkrts.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 594e3c1ab576daddeb86015efc8b1677020b1878 Mon Sep 17 00:00:00 2001
-From: Szabolcs Nagy <nsz@port70.net>
-Date: Sat, 24 Oct 2015 20:39:30 +0000
-Subject: [PATCH 1/6] cilkrts
-
----
- libcilkrts/runtime/os-unix.c | 22 +++++++---------------
- 1 file changed, 7 insertions(+), 15 deletions(-)
-
-diff --git a/libcilkrts/runtime/os-unix.c b/libcilkrts/runtime/os-unix.c
-index cb582dd..e43d7d5 100644
---- a/libcilkrts/runtime/os-unix.c
-+++ b/libcilkrts/runtime/os-unix.c
-@@ -51,6 +51,7 @@
- #if defined __linux__
- #   include <sys/sysinfo.h>
- #   include <sys/syscall.h>
-+#   include <sched.h>
- #elif defined __APPLE__
- #   include <sys/sysctl.h>
-     // Uses sysconf(_SC_NPROCESSORS_ONLN) in verbose output
-@@ -400,28 +401,19 @@ COMMON_SYSDEP void __cilkrts_sleep(void)
- 
- COMMON_SYSDEP void __cilkrts_yield(void)
- {
--#if __APPLE__ || __FreeBSD__ || __VXWORKS__
--    // On MacOS, call sched_yield to yield quantum.  I'm not sure why we
--    // don't do this on Linux also.
--    sched_yield();
--#elif defined(__DragonFly__)
--    // On DragonFly BSD, call sched_yield to yield quantum.
--    sched_yield();
--#elif defined(__MIC__)
-+#if defined(__MIC__)
-     // On MIC, pthread_yield() really trashes things.  Arch's measurements
-     // showed that calling _mm_delay_32() (or doing nothing) was a better
-     // option.  Delaying 1024 clock cycles is a reasonable compromise between
-     // giving up the processor and latency starting up when work becomes
-     // available
-     _mm_delay_32(1024);
--#elif defined(__ANDROID__) || (defined(__sun__) && defined(__svr4__))
--    // On Android and Solaris, call sched_yield to yield quantum.  I'm not
--    // sure why we don't do this on Linux also.
--    sched_yield();
--#else
--    // On Linux, call pthread_yield (which in turn will call sched_yield)
--    // to yield quantum.
-+#elif defined(__sun__) && !defined(__svr4__)
-+    // On old SunOS call pthread_yield to yield a quantum.
-     pthread_yield();
-+#else
-+    // On other platforms call sched_yield to yield a quantum.
-+    sched_yield();
- #endif
- }
- 
--- 
-2.8.1
-