In my comparison on Focal (older libc / stdc++) all calls to "operator new[]"
and "operator new" had sz=0 like:
Breakpoint 5, operator new (sz=0) at
../../../../src/libstdc++-v3/libsupc++/new_op.cc:47
The first operator new that didn't have sz=0 in this good case was a totally
different backtrace at:
Breakpoint 5, operator new (sz=sz@entry=72)
at ../../../../src/libstdc++-v3/libsupc++/new_op.cc:47
47 in ../../../../src/libstdc++-v3/libsupc++/new_op.cc
(gdb) bt
#0 operator new (sz=sz@entry=72) at
../../../../src/libstdc++-v3/libsupc++/new_op.cc:47
#1 0x0000002add4f7104 in gtid_server_init () at ./sql/mysqld.cc:2372
#2 0x0000002add502c20 in init_server_components () at ./sql/mysqld.cc:5872
#3 0x0000002add509054 in mysqld_main (argc=<optimized out>, argv=<optimized
out>)
at ./sql/mysqld.cc:7097
#4 0x0000003fbc0d3204 in __libc_start_main (main=0x2add4c4084 <main(int,
char**)>,
argc=<optimized out>, argv=0x3fffe67528, init=<optimized out>,
fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=<optimized out>) at libc-start.c:308
#5 0x0000002add4f18cc in _start () at ./include/my_sys.h:864
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https://bugs.launchpad.net/bugs/1915275
Title:
mysql-8.0 regressed on riscv64 due to new glibc
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