This doesn't build:
make -C pg_upgrade_support all
make[2]: Entering directory `/var/lib/jenkins/jobs/postgresql_commitfest_world/workspace/contrib/pg_upgrade_support'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels
-Wmissing-format-attribute-Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -g -fpic -I. -I.
-I../../src/include-D_GNU_SOURCE -I/usr/include/libxml2 -c -o pg_upgrade_support.o pg_upgrade_support.c -MMD -MP -MF
.deps/pg_upgrade_support.Po
pg_upgrade_support.c: In function ‘create_empty_extension’:
pg_upgrade_support.c:193:8: error: too few arguments to function ‘InsertExtensionTuple’
In file included from pg_upgrade_support.c:16:0:
../../src/include/commands/extension.h:60:12: note: declared here
make[2]: *** [pg_upgrade_support.o] Error 1
