[Bug sanitizer/81066] sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81066

--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
Using stack_t instead of struct sigaltstack is correct.  However, the type 
declaration should be obtained from <signal.h>.  Nothing outside of glibc 
should ever include <bits/*.h> headers or define glibc's __need_* macros; 
those are purely implementation details, not public interfaces, and are 
liable to change incompatibly at any time.