diff --git a/ChangeLog b/ChangeLog
index 8831b20a6b08..edee8743b272 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2019-05-02  Richard Biener  <rguenther@suse.de>
+
+	PR bootstrap/85574
+	* Makefile.tpl (compare target): Also compare extra-compare
+	files.
+	* Makefile.in: Regenerate.
+
 2019-04-22  Roman Zhuykov  <zhroma@ispras.ru>
 
 	* MAINTAINERS (Various Maintainers): Remove Ayal Zaks and add myself
diff --git a/Makefile.in b/Makefile.in
index 64e091ba71d5..8f5880e9a606 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -54057,7 +54057,7 @@ compare:
         sed=`echo stage3 | sed 's,^stage,,;s,.,.,g'`; \
 	files=`find stage3-* -name "*$(objext)" -print | \
 		 sed -n s,^stage$$sed-,,p`; \
-	for file in $${files}; do \
+	for file in $${files} ${extra-compare}; do \
 	  f1=$$r/stage2-$$file; f2=$$r/stage3-$$file; \
 	  if test ! -f $$f1; then continue; fi; \
 	  $(do-compare) > /dev/null 2>&1; \
@@ -54455,7 +54455,7 @@ compare3:
         sed=`echo stage4 | sed 's,^stage,,;s,.,.,g'`; \
 	files=`find stage4-* -name "*$(objext)" -print | \
 		 sed -n s,^stage$$sed-,,p`; \
-	for file in $${files}; do \
+	for file in $${files} ${extra-compare}; do \
 	  f1=$$r/stage3-$$file; f2=$$r/stage4-$$file; \
 	  if test ! -f $$f1; then continue; fi; \
 	  $(do-compare3) > /dev/null 2>&1; \
diff --git a/Makefile.tpl b/Makefile.tpl
index 41cae58a2679..1cdc023c82f9 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -1677,7 +1677,7 @@ do-clean: clean-stage[+id+]
         sed=`echo stage[+id+] | sed 's,^stage,,;s,.,.,g'`; \
 	files=`find stage[+id+]-* -name "*$(objext)" -print | \
 		 sed -n s,^stage$$sed-,,p`; \
-	for file in $${files}; do \
+	for file in $${files} ${extra-compare}; do \
 	  f1=$$r/stage[+prev+]-$$file; f2=$$r/stage[+id+]-$$file; \
 	  if test ! -f $$f1; then continue; fi; \
 	  $(do-[+compare-target+]) > /dev/null 2>&1; \
diff --git a/config/ChangeLog b/config/ChangeLog
index 37456f9fcafd..b9194c067189 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-02  Richard Biener  <rguenther@suse.de>
+
+	PR bootstrap/85574
+	* bootstrap-lto.mk (extra-compare): Set to gcc/lto1$(exeext).
+
 2019-04-16  Martin Liska  <mliska@suse.cz>
 
 	* bootstrap-lto-lean.mk: Filter out -flto in STAGEtrain_CFLAGS.
diff --git a/config/bootstrap-lto.mk b/config/bootstrap-lto.mk
index 768b6337bd6a..4de07e5b2269 100644
--- a/config/bootstrap-lto.mk
+++ b/config/bootstrap-lto.mk
@@ -15,3 +15,4 @@ LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \
 LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)"
 
 do-compare = $(SHELL) $(srcdir)/contrib/compare-lto $$f1 $$f2
+extra-compare = gcc/lto1$(exeext)