i386/186848: CLANG/LLVM code generation bug with optimisation on i386

[dim at FreeBSD.org]

Synopsis: CLANG/LLVM code generation bug with optimisation on i386

State-Changed-From-To: open->closed
State-Changed-By: dim
State-Changed-When: Sun Mar 2 23:25:32 UTC 2014
State-Changed-Why: 
The program relies on integer overflow, which is undefined behavior.
Either fix the program (recommended), or compile with -fwrapv.

http://www.freebsd.org/cgi/query-pr.cgi?pr=186848