Divide by zero does not throw exception for longs

Mon Jun 11 14:04:00 GMT 2001

Aneesh Aggarwal writes:
> I have filed a bug-report, the identification is java/3097. I
> thought I'll mention it here so that it gets some attention and if
> the bug is present in the 3.0 release, it might be fixed.

One work around is to use -fuse-divide-subroutine. Are they any
options, I don't know. But it should solve your problem for now:
 apbianco@venonat[~/support/net/PRs/3097]: gcj div_test_long.java --main=div_test_long 
 apbianco@venonat[~/support/net/PRs/3097]: ./a.out 
 Exception in thread "main" java.lang.ArithmeticException: / by zero
 at 0x4014965c: _Jv_ThrowSignal (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcj.so.2)
 at 0x401496f1: _Jv_ThrowSignal (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcj.so.2)
 at 0x08048b55: div_test_long.main(java.lang.String[]) (/home/apbianco/support/net/PRs/3097/div_test_long.java:5)
 at 0x401601a7: gnu.gcj.runtime.FirstThread.run() (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcj.so.2)
 at 0x4016afe2: java.lang.Thread.run_(java.lang.Object) (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcj.so.2)
 at 0x40277f45: _Jv_ThreadSetPriority(_Jv_Thread_t, int) (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcj.so.2)
 at 0x4049e6bc: GC_start_routine (/home/apbianco/install/gcc-3.0/install-x86/lib/libgcjgc.so.1)
 at 0x404b795d: pthread_detach (/lib/libpthread.so.0)
 at 0x405b6f1a: __clone (/lib/libc.so.6)
 apbianco@venonat[~/support/net/PRs/3097]: gcj div_test_long.java --main=div_test_long -fuse-divide-subroutine
 apbianco@venonat[~/support/net/PRs/3097]: ./a.out 
 Div by zero working

I'll update the PR with the work around.
./A