Fedora rpmbuild has been complaining:
*** WARNING: ./usr/src/debug/gdb-8.1.50.
20180618-24.fc28.x86_64/gdb/gdbserver/x86-tdesc.h is executable but has empty or no shebang, removing executable bit
gdb/gdbserver/ChangeLog
2018-06-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* x86-tdesc.h: Remove executable permission flag.
gdb/testsuite/ChangeLog
2018-06-28 Jan Kratochvil <jan.kratochvil@redhat.com>
* lib/compiler.c: Remove executable permission flag.
+2018-06-28 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * x86-tdesc.h: Remove executable permission flag.
+
2018-06-19 Simon Marchi <simon.marchi@ericsson.com>
* configure.ac: Remove AC_PREREQ, add missing quoting.
+2018-06-28 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * lib/compiler.c: Remove executable permission flag.
+
2018-06-28 Richard Bunt <richard.bunt@arm.com>
* gdb.base/watchpoint-hw-attach.c (main): Remove unneeded