linux3/gcc46: “-fnon-call-exceptions”, which signals are trapping instructions?

Question

(Environment: gcc/g++ 4.6.1 in -std=gnu++0x mode on Linux 3.0 / x86_64...)

#include 
#include 
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Answer 1

SIGILL, SIGTRAP, SIGBUS, SIGFPE, SIGSEGV, SIGSTKFLT are the most probable synchronous signals (i.e., generated by hardware as consequence of an instruction trying to do something invalid).