such names are used for "function descriptors" on ppc64
https://bugs.kde.org/show_bug.cgi?id=406561
https://bugs.kde.org/show_bug.cgi?id=XXXXXX
where XXXXXX is the bug number as listed below.
+406561 mcinfcallWSRU gdbserver_test fails on ppc64
n-i-bz Fix minor one time leaks in dhat.
n-i-bz Add --run-cxx-freeres=no in outer args to avoid inner crashes.
-e 's/in select ()$/in syscall .../' \
-e 's/in \.__select ()$/in syscall .../' \
-e 's/in select () at \.\.\/sysdeps\/unix\/syscall-template\.S.*$/in syscall .../' \
+ -e 's/in \.__select () at \.\.\/sysdeps\/unix\/syscall-template\.S.*$/in syscall .../' \
-e '/^[ ]*at \.\.\/sysdeps\/unix\/syscall-template\.S/d' \
-e '/^[ ]*in \.\.\/sysdeps\/unix\/syscall-template\.S/d' \
-e '/^[1-9][0-9]*[ ]*\.\.\/sysdeps\/unix\/syscall-template\.S/d' \