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, 48 deletions

diff --git a/system/gcc/lra-pentium.patch b/system/gcc/lra-pentium.patch
deleted file mode 100644
index e876bcc39..000000000
--- a/system/gcc/lra-pentium.patch
+++ /dev/null
@@ -1,48 +0,0 @@
---- trunk/gcc/lra-assigns.c	2017/03/10 20:53:18	246058
-+++ trunk/gcc/lra-assigns.c	2017/03/10 21:17:13	246059
-@@ -889,6 +889,30 @@
-   live_pseudos_reg_renumber[regno] = hard_regno;
- }
- 
-+/* Return true iff there is a reason why pseudo SPILL_REGNO should not
-+   be spilled.  */
-+static bool
-+must_not_spill_p (unsigned spill_regno)
-+{
-+  if ((pic_offset_table_rtx != NULL
-+       && spill_regno == REGNO (pic_offset_table_rtx))
-+      || ((int) spill_regno >= lra_constraint_new_regno_start
-+	  && ! bitmap_bit_p (&lra_inheritance_pseudos, spill_regno)
-+	  && ! bitmap_bit_p (&lra_split_regs, spill_regno)
-+	  && ! bitmap_bit_p (&lra_subreg_reload_pseudos, spill_regno)
-+	  && ! bitmap_bit_p (&lra_optional_reload_pseudos, spill_regno)))
-+    return true;
-+  /* A reload pseudo that requires a singleton register class should
-+     not be spilled.
-+     FIXME: this mitigates the issue on certain i386 patterns, but
-+     does not solve the general case where existing reloads fully
-+     cover a limited register class.  */
-+  if (!bitmap_bit_p (&non_reload_pseudos, spill_regno)
-+      && reg_class_size [reg_preferred_class (spill_regno)] == 1)
-+    return true;
-+  return false;
-+}
-+
- /* Array used for sorting reload pseudos for subsequent allocation
-    after spilling some pseudo.	*/
- static int *sorted_reload_pseudos;
-@@ -960,13 +984,7 @@
-       /* Spill pseudos.	 */
-       static_p = false;
-       EXECUTE_IF_SET_IN_BITMAP (&spill_pseudos_bitmap, 0, spill_regno, bi)
--	if ((pic_offset_table_rtx != NULL
--	     && spill_regno == REGNO (pic_offset_table_rtx))
--	    || ((int) spill_regno >= lra_constraint_new_regno_start
--		&& ! bitmap_bit_p (&lra_inheritance_pseudos, spill_regno)
--		&& ! bitmap_bit_p (&lra_split_regs, spill_regno)
--		&& ! bitmap_bit_p (&lra_subreg_reload_pseudos, spill_regno)
--		&& ! bitmap_bit_p (&lra_optional_reload_pseudos, spill_regno)))
-+	if (must_not_spill_p (spill_regno))
- 	  goto fail;
- 	else if (non_spilled_static_chain_regno_p (spill_regno))
- 	  static_p = true;