--- gcc/config/m68k/m68k.c.orig	2020-08-26 10:08:06.000000000 +0100
+++ gcc/config/m68k/m68k.c	2020-09-03 11:17:54.722580771 +0100
@@ -4979,7 +4979,7 @@
   else if (letter == '/')
     asm_fprintf (file, "%R");
   else if (letter == '?')
-    asm_fprintf (file, m68k_library_id_string);
+    asm_fprintf (file, "%s", m68k_library_id_string);
   else if (letter == 'p')
     {
       output_addr_const (file, op);
--- gcc/config/s390/s390.c.orig	2020-08-26 10:08:06.000000000 +0100
+++ gcc/config/s390/s390.c	2020-09-03 11:17:54.731580857 +0100
@@ -7862,11 +7862,11 @@
 	}
       return;
     case 'C':
-      fprintf (file, s390_branch_condition_mnemonic (x, FALSE));
+      fprintf (file, "%s", s390_branch_condition_mnemonic (x, FALSE));
       return;
 
     case 'D':
-      fprintf (file, s390_branch_condition_mnemonic (x, TRUE));
+      fprintf (file, "%s", s390_branch_condition_mnemonic (x, TRUE));
       return;
 
     case 'E':
--- gcc/config/tilegx/tilegx.c.orig	2020-08-26 10:08:06.000000000 +0100
+++ gcc/config/tilegx/tilegx.c	2020-09-03 11:17:54.735580895 +0100
@@ -5349,7 +5349,7 @@
 	    gcc_unreachable ();
 	  }
 
-	fprintf (file, reg);
+	fprintf (file, "%s", reg);
 	return;
       }