--- gcc/config/pbd.h	2018/04/24 17:55:20	1.1.1.2
+++ gcc/config/pbd.h	2018/04/24 18:06:18	1.1.1.3
@@ -66,7 +66,7 @@ the Free Software Foundation, 675 Mass A
 
 #define SCCS_DIRECTIVE
 
-/* LINK_SPEC is needed only for Sunos 4.  */
+/* LINK_SPEC is needed only for SunOS 4.  */
 
 #undef LINK_SPEC
 
@@ -150,10 +150,6 @@ the Free Software Foundation, 675 Mass A
 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
   fprintf (FILE, "\t.word .L%d\n", VALUE)
 
-/* Underscores are not used on Unicom PBD coff systems. */
-/* This currently seems to only be needed for libgcc2.a */
-#define NO_UNDERSCORES
-
 /* Output assembler code to FILE to increment profiler label # LABELNO
    for profiling a function entry.  */