https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95555
Bug ID: 95555
Summary: [11 regression] bootstrap build failure starting with
r11-959
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at linux dot vnet.ibm.com
Target Milestone: ---
g:b825a22890740f341eae566af27e18e528cd29a7, r11-959
/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./prev-gcc/xg++
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./prev-gcc/
-B/home/seurer/gcc/git/install/gcc-trunk-bootstrap/powerpc64-unknown-linux-gnu/bin/
-nostdinc++
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/libstdc++-v3/libsupc++
-L/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/home/seurer/gcc/git/build/gcc-trunk-bootstrap/prev-powerpc64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-fno-PIE -c -g -O2 -fno-checking -gtoggle -DIN_GCC -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-error=format-diag -Wmissing-format-attribute
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I.
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/.
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/../include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/../libcpp/include
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./gmp
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gmp
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./mpfr/src
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/mpfr/src
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/mpc/src
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/../libdecnumber
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/../libdecnumber/dpd
-I../libdecnumber
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/../libbacktrace
-I/home/seurer/gcc/git/build/gcc-trunk-bootstrap/./isl/include
-I/home/seurer/gcc/git/gcc-trunk-bootstrap/isl/include -o postreload.o -MT
postreload.o -MMD -MP -MF ./.deps/postreload.TPo
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/postreload.c
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/postreload.c: In function 'int
reload_cse_simplify_operands(rtx_insn*, rtx)':
/home/seurer/gcc/git/gcc-trunk-bootstrap/gcc/postreload.c:629:5: error:
'*alternative_order' may be used uninitialized [-Werror=maybe-uninitialized]
629 | j = alternative_order[0];
| ~~^~~~~~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
make[3]: *** [postreload.o] Error 1
