--- a/contrib/gcc_update	Thu Oct 25 07:37:49 2018 +0900
+++ b/contrib/gcc_update	Thu Feb 13 11:34:05 2020 +0900
@@ -82,7 +82,6 @@
 gcc/config/aarch64/aarch64-tune.md: gcc/config/aarch64/aarch64-cores.def gcc/config/aarch64/gentune.sh
 gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk
 gcc/config/arm/arm-tables.opt: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk
-gcc/config/avr/t-multilib: gcc/config/avr/avr-mcus.def gcc/config/avr/genmultilib.awk
 gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh
 gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh
 gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh
@@ -169,6 +168,12 @@
 libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4
 libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4
 libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4
+libphobos/Makefile.in: libphobos/Makefile.am libphobos/configure.ac libphobos/aclocal.m4
+libphobos/aclocal.m4: libphobos/configure.ac libphobos/acinclude.m4
+libphobos/config.h.in: libphobos/configure.ac libphobos/aclocal.m4
+libphobos/configure: libphobos/configure.ac libphobos/aclocal.m4
+libphobos/src/Makefile.in: libphobos/src/Makefile.am libphobos/aclocal.m4
+libphobos/testsuite/Makefile.in: libphobos/testsuite/Makefile.am libphobos/aclocal.m4
 # Top level
 Makefile.in: Makefile.tpl Makefile.def
 configure: configure.ac config/acx.m4
@@ -325,7 +330,7 @@
             exit 1
 	fi
 
-	revision=`$GCC_GIT log -n1 --pretty=%p:%t:%H`
+	revision=`$GCC_GIT log -n1 --pretty=tformat:%p:%t:%H`
 	branch=`$GCC_GIT name-rev --name-only HEAD || :`
 	;;