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/freebsd-10.2-release/sys/i386/i386/
H A Dmachdep.cdiff 1129 Tue Feb 08 12:58:44 MST 1994 dg From: Dave Matthews <dave@prlng.co.uk>

Description:
The integer overflow instruction (into) and the interrupt instruction with
value 4 (int #4) both give rise to SIGBUS signals rather than SIGFPE. The
problem is that overflow is a trap not a fault (unlike the BOUND instruction).
/freebsd-10.2-release/sys/amd64/amd64/
H A Dmachdep.cdiff 1129 Tue Feb 08 12:58:44 MST 1994 dg From: Dave Matthews <dave@prlng.co.uk>

Description:
The integer overflow instruction (into) and the interrupt instruction with
value 4 (int #4) both give rise to SIGBUS signals rather than SIGFPE. The
problem is that overflow is a trap not a fault (unlike the BOUND instruction).

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