Bug path

main ‘main’: events 1-2 18 int main (int argc, char *argv[]) ^~~~ | (1) entry to ‘main’ [...] 21 signal (SIGSEGV, handler); /* { dg-message "registering 'handler' as signal handler" } */ ~~~~~~~~~~~~~~~~~~~~~~~~~ | (2) registering ‘handler’ as signal handler

event 3 (3): later on, when the signal is delivered to the process

handler ‘handler’: events 4-5 13 handler (int n) ^~~~~~~ | (4) entry to ‘handler’ 14 { 15 fprintf (stderr, "got here: %i\n", g); /* { dg-warning "call to 'fprintf' from within signal handler" } */ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | (5) call to ‘fprintf’ from within signal handler