‘state’ may be used uninitialized in this function [-Wmaybe-uninitialized]

[digoal]

Hi,
There are two warnings when i make install rum.

my env:
PostgreSQL 9.6beta4
gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC)
CentOS 7.2 x64

make USE_PGXS=1 clean
rm -f rum.so   librum.a  librum.pc
rm -f rumsort.o rum_ts_utils.o rumtsquery.o rumbtree.o rumbulk.o rumdatapage.o rumentrypage.o rumget.o ruminsert.o rumscan.o rumutil.o rumvacuum.o rumvalidate.o rum_timestamp.o 
rm -rf results/ regression.diffs regression.out tmp_check/ log/
digoal@iZ28tqoemgtZ-> make USE_PGXS=1 
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumsort.o rumsort.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rum_ts_utils.o rum_ts_utils.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumtsquery.o rumtsquery.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumbtree.o rumbtree.c
rumbtree.c: In function ‘rumInsertValue’:
rumbtree.c:587:23: warning: ‘state’ may be used uninitialized in this function [-Wmaybe-uninitialized]
      GenericXLogFinish(state);
                       ^
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumbulk.o rumbulk.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumdatapage.o rumdatapage.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumentrypage.o rumentrypage.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumget.o rumget.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o ruminsert.o ruminsert.c
ruminsert.c: In function ‘createPostingTree’:
ruminsert.c:81:20: warning: ‘state’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   GenericXLogFinish(state);
                    ^
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumscan.o rumscan.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumutil.o rumutil.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumvacuum.o rumvacuum.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rumvalidate.o rumvalidate.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -I. -I./ -I/home/digoal/pgsql9.6/include/server -I/home/digoal/pgsql9.6/include/internal -D_GNU_SOURCE   -c -o rum_timestamp.o rum_timestamp.c
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -fpic -shared -o rum.so rumsort.o rum_ts_utils.o rumtsquery.o rumbtree.o rumbulk.o rumdatapage.o rumentrypage.o rumget.o ruminsert.o rumscan.o rumutil.o rumvacuum.o rumvalidate.o rum_timestamp.o  -L/home/digoal/pgsql9.6/lib -Wl,--as-needed -Wl,-rpath,'/home/digoal/pgsql9.6/lib',--enable-new-dtags  

[za-arthur]

Thank you!
Hm, my newer gcc does not show this warnings. Anyway I did changes in code to make your compiler more quite. Check please.