re PR driver/31353 (gcc --help=target gives a linker error.)

PR other/31353
* gcc.c (main): Do not run the linker if
print_subprocess_help indicates that it shouldn't be
run.

From-SVN: r123498

gcc/ChangeLog

 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 
+	PR other/31353
+	* gcc.c (main): Do not run the linker if
+	print_subprocess_help indicates that it shouldn't be
+	run.
+
+2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
+
 	PR doc/31355
 	* doc/invoke.texi (--help=): Document <languages> value, fix
 	formatting in tables of values.

gcc/gcc.c

@@ -6692,7 +6692,7 @@ main (int argc, char **argv)
 
   /* Run ld to link all the compiler output files.  */
 
-  if (num_linker_inputs > 0 && error_count == 0)
+  if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
     {
       int tmp = execution_count;