https://issues.dlang.org/show_bug.cgi?id=18547
Issue ID: 18547 Summary: Win32: throwing exception in fiber crashes application Product: D Version: D2 Hardware: x86 OS: Windows Status: NEW Severity: normal Priority: P1 Component: dmd Assignee: nob...@puremagic.com Reporter: r.sagita...@gmx.de test15779.d crashes for Win32 (and Win32/COFF) if compiled without -gx (or with -O): import core.thread; int main() { try { bar(); } catch (Exception e) { } return 0; } void bar() { new Fiber({ throw new Exception("fly"); }).call(); } The auto-tester currently disables it for Win64, though. --