--- gcc-versionno-orig/gcc/brig/brigspec.c	2019-01-01 12:31:55.000000000 +0000
+++ gcc-versionno/gcc/brig/brigspec.c	2019-07-09 01:24:15.759388270 +0100
@@ -134,3 +134,9 @@
 /* Number of extra output files that lang_specific_pre_link may generate.  */
 
 int lang_specific_extra_outfiles = 0; /* Not used for Brig.  */
+
+/* lang_register_spec_functions.  Not used for Brig.  */
+void
+lang_register_spec_functions (void)
+{
+}
