diff --git a/gcc/objc/Make-lang.in b/gcc/objc/Make-lang.in
index 901114066d5..82152831a40 100644
--- a/gcc/objc/Make-lang.in
+++ b/gcc/objc/Make-lang.in
@@ -63,7 +63,8 @@ objc_OBJS = $(OBJC_OBJS) cc1obj-checksum.o
 cc1obj-checksum.c : build/genchecksum$(build_exeext) checksum-options \
         $(OBJC_OBJS) $(C_AND_OBJC_OBJS) $(BACKEND) $(LIBDEPS)
 	if [ -f ../stage_final ] \
-	   && cmp -s ../stage_current ../stage_final; then \
+	   && cmp -s ../stage_current ../stage_final \
+	   && [ -f ../prev-gcc/$@ ]; then \
 	  cp ../prev-gcc/$@ $@; \
 	else \
 	  build/genchecksum$(build_exeext) $(OBJC_OBJS) $(C_AND_OBJC_OBJS) \
diff --git a/gcc/objcp/Make-lang.in b/gcc/objcp/Make-lang.in
index 3ecc50b53bd..0f890d88f3f 100644
--- a/gcc/objcp/Make-lang.in
+++ b/gcc/objcp/Make-lang.in
@@ -66,7 +66,8 @@ obj-c++_OBJS = $(OBJCXX_OBJS) cc1objplus-checksum.o
 cc1objplus-checksum.c : build/genchecksum$(build_exeext) checksum-options \
 	$(OBJCXX_OBJS) $(BACKEND) $(CODYLIB) $(LIBDEPS)
 	if [ -f ../stage_final ] \
-	   && cmp -s ../stage_current ../stage_final; then \
+	   && cmp -s ../stage_current ../stage_final \
+	   && [ -f ../prev-gcc/$@ ]; then \
 	  cp ../prev-gcc/$@ $@; \
 	else \
 	  build/genchecksum$(build_exeext) $(OBJCXX_OBJS) $(BACKEND) \