digitalmars.D.bugs - [Issue 20903] New: seg fault on long signed divide overflow
- d-bugmail puremagic.com (26/26) Jun 07 2020 https://issues.dlang.org/show_bug.cgi?id=20903
https://issues.dlang.org/show_bug.cgi?id=20903 Issue ID: 20903 Summary: seg fault on long signed divide overflow Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: major Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: bugzilla digitalmars.com The following: long test() { long r = 0x8000_0000_0000_0000L; long x = -1L; return r / x; // crashes here } import core.stdc.stdio; int main() { printf("result: %llx\n", test()); return 0; } crashes when compiled with -O on 64 bit code. --
Jun 07 2020