gdb: pull upstream gdb-8.0.1

This pulls upstream gdb-8.0.1 to our repository. It does not affect
current gdb builds.

BUG=None
TEST=gdb still builds gdb 7.11
diff --git a/gdb-8.0.1/libiberty/makefile.vms b/gdb-8.0.1/libiberty/makefile.vms
new file mode 100644
index 0000000..15a7d0a
--- /dev/null
+++ b/gdb-8.0.1/libiberty/makefile.vms
@@ -0,0 +1,36 @@
+#
+# Makefile for libiberty under openVMS
+#
+# For use with gnu-make for vms
+#
+# Created by Klaus K"ampf, [email protected]
+#
+#
+
+OBJS=getopt.obj,obstack.obj,xexit.obj,xmalloc.obj,hex.obj,\
+    getopt1.obj,cplus-dem.obj,cp-demangle.obj,cp-demint.obj,\
+    asprintf.obj vasprintf.obj,mkstemps.obj,filename_cmp.obj,\
+    concat.obj,getruntime.obj,getpagesize.obj,getpwd.obj,xstrerror.obj,\
+    xmemdup.obj,xstrdup.obj,xatexit.obj,choose-temp.obj,fnmatch.obj,\
+    objalloc.obj,safe-ctype.obj,hashtab.obj,lbasename.obj,argv.obj,\
+    lrealpath.obj,make-temp-file.obj,stpcpy.obj,unlink-if-ordinary.obj,\
+    dwarfnames.obj
+
+ifeq ($(CC),gcc)
+CFLAGS=/include=([],[-.include])
+else
+# assume dec c
+OPT=/noopt/debug/warnings=disable=(missingreturn)
+CFLAGS=$(OPT)/include=([],[-.include])/name=(as_is,shortened)\
+ /define=(HAVE_CONFIG_H=1)\
+ /prefix=(all,except=("getopt","optarg","optopt","optind","opterr"))
+endif
+
+libiberty.olb: $(OBJS)
+	purge
+	lib/create libiberty *.obj
+
+clean:
+	$$ purge
+	$(RM) *.obj;
+	$(RM) libiberty.olb;