[Bug libstdc++/64475] New: [5.0 Regression] FAIL: 28_regex/algorithms/regex_match/ecma/char/backref.cc

[belagod at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64475

            Bug ID: 64475
           Summary: [5.0 Regression] FAIL:
                    28_regex/algorithms/regex_match/ecma/char/backref.cc
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: belagod at gcc dot gnu.org

backref regresses on AArch64.

PASS->FAIL: 28_regex/algorithms/regex_match/ecma/char/backref.cc execution test

$
.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/./gcc/xg++
shared-libgcc
-B.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/./gcc
-nostdinc++
-L.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/libstdc+-v3/src
-L.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/libstdc-v3/src/.libs
-L.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/libstdc-v3/libsupc/.libs
-B/aarch64-none-linux-gnu/bin/ -B/aarch64-none-linux-gnu/lib/ -isystem
/aarch64-none-linux-gnu/include -isystem /aarch64-none-linux-gnu/sys-include
-B.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/./libstdc-v3/src/.libs
-D_GLIBCXX_ASSERT -fmessage-length=0 -ffunction-sections -fdata-sections -g -O2
-D_GNU_SOURCE -DLOCALEDIR="." -nostdinc+
-I.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/libstdc+-v3/include/aarch64-none-linux-gnu
-I.../builds/fsf-trunk/fsf-trunk.597/workdir/rhe5x86_64/aarch64-none-linux-gnu/obj/gcc4/aarch64-none-linux-gnu/libstdc-v3/include
-I.../fsf-trunk/builds/fsf-trunk.597/src/gcc/libstdc-v3/libsupc+
-I.../fsf-trunk/builds/fsf-trunk.597/src/gcc/libstdc+-v3/include/backward
-I.../fsf-trunk/builds/fsf-trunk.597/src/gcc/libstdc-v3/testsuite/util
.../fsf-trunk/builds/fsf-trunk.597/src/gcc/libstdc-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/backref.cc
-std=gnu11 ./libtestc+.a -Wl,-gc-sections -lm -o ./backref.exe^M
PASS: 28_regex/algorithms/regex_match/ecma/char/backref.cc (test for excess
errors)

backref.exe:
.../fsf-trunk/builds/fsf-trunk.597/src/gcc/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/backref.cc:43:
void test01(): Assertion `m[0].matched' failed.^M
FAIL: 28_regex/algorithms/regex_match/ecma/char/backref.cc execution test