* cpplib.c (do_line): Sanity check iff enable checking.

From-SVN: r41265

gcc/ChangeLog

+2001-04-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+	* cpplib.c (do_line): Sanity check iff enable checking.
+
 2001-04-11  Richard Henderson  <rth@redhat.com>
 
 	* Makefile.in (insn-recog.o): Depend on toplev.h.

gcc/cpplib.c

@@ -774,6 +774,7 @@ do_line (pfile)
 		{
 		  cpp_pop_buffer (pfile);
 		  buffer = pfile->buffer;
+#ifdef ENABLE_CHECKING
 		  if (strcmp (buffer->nominal_fname, fname))
 		    cpp_warning (pfile, "expected to return to file \"%s\"",
 				 buffer->nominal_fname);
@@ -783,6 +784,7 @@ do_line (pfile)
 		  if (buffer->sysp != sysp)
 		    cpp_warning (pfile, "header flags for \"%s\" have changed",
 				 buffer->nominal_fname);
+#endif
 		}
 	    }
 	  buffer->sysp = sysp;