[cfe-dev] Crash in codegen of switch with overflow

[Chris Lattner]

On Jan 12, 2008, at 6:19 PM, Eli Friedman wrote:

> switch (1) {
> case 111111111111111111111111111111111111111:
> ;
> }
>
> generates invalid bitcode with clang -emit-llvm.  Looks like codegen
> isn't using the truncated value that sema is calculating.  (Maybe we
> should be putting an ImplicitCastExpr in here?)

Yep, you're right.  Fixed:
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20080114/003814.html

Thanks!

-Chris