https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88859
Bug ID: 88859
Summary: FAIL: experimental/string_view/operators/wchar_t/2.cc
execution test
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: x32
On x32, r267938 gave
FAIL: experimental/string_view/operators/wchar_t/2.cc execution test
Program received signal SIGSEGV, Segmentation fault.
0xf7be907c in __wmemcmp_avx2_movbe () from /libx32/libc.so.6
(gdb) bt
#0 0xf7be907c in __wmemcmp_avx2_movbe () from /libx32/libc.so.6
#1 0x00401304 in std::char_traits<wchar_t>::compare (__n=<optimized out>,
__s2=<optimized out>, __s1=<optimized out>)
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/bits/char_traits.h:422
#2 std::experimental::fundamentals_v1::basic_string_view<wchar_t,
std::char_traits<wchar_t> >::compare (__str=..., this=<synthetic pointer>)
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/experimental/string_view:290
#3 std::experimental::fundamentals_v1::operator==<wchar_t,
std::char_traits<wchar_t> > (__y=..., __x=...)
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/experimental/string_view:451
#4 std::experimental::fundamentals_v1::operator!=<wchar_t,
std::char_traits<wchar_t> > (__x=..., __y=..., __y@entry=...)
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/experimental/string_view:481
#5 0x00401fa9 in test01 ()
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/bits/char_traits.h:433
#6 0x0040111c in main ()
at
/export/gnu/import/git/sources/gcc/libstdc++-v3/testsuite/experimental/string_view/operators/wchar_t/2.cc:241
(gdb) f 1
#1 0x00401304 in std::char_traits<wchar_t>::compare (__n=<optimized out>,
__s2=<optimized out>, __s1=<optimized out>)
at
/export/build/gnu/tools-build/gcc-x32-debug/build-x86_64-linux/x86_64-pc-linux-gnu/x32/libstdc++-v3/include/bits/char_traits.h:422
422 return wmemcmp(__s1, __s2, __n);
(gdb)
