Index: driver/cc1.cc
===================================================================
--- driver/cc1.cc	(revision a804f81298e916805241c4eb6b0be21bac7c648e)
+++ driver/cc1.cc	(revision e9ea53dc47cd6820ba651b21e2df294d06d3c121)
@@ -10,6 +10,6 @@
 // Created On       : Fri Aug 26 14:23:51 2005
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Nov 17 14:27:08 2020
-// Update Count     : 414
+// Last Modified On : Tue Jun  1 23:07:21 2021
+// Update Count     : 415
 //
 
@@ -199,5 +199,7 @@
 				if ( arg == "-D" || arg == "-U" || arg == "-I" || arg == "-MF" || arg == "-MT" || arg == "-MQ" ||
 					 arg == "-include" || arg == "-imacros" || arg == "-idirafter" || arg == "-iprefix" ||
-					 arg == "-iwithprefix" || arg == "-iwithprefixbefore" || arg == "-isystem" || arg == "-isysroot" ) {
+					 arg == "-iwithprefix" || arg == "-iwithprefixbefore" || arg == "-isystem" || arg == "-isysroot" ||
+					 arg == "-dumpbase-ext" || arg == "-dumpbase"
+					) {
 					i += 1;
 					args[nargs++] = argv[i];			// pass argument along