[llvmgcc] Crash on auto register variable with specific register specified

|  |  |
| --- | --- |
| Bugzilla Link | [297](https://llvm.org/bz297) |
| Resolution | FIXED |
| Resolved on | Feb 22, 2010 12:54 |
| Version | 1.0 |
| OS | All |

## Extended Description 
This testcase crashes the C front-end.  Though we don't support stuff like this,
we shouldn't CRASH on it:

---
int foo() {
  register int X __asm__("ebx");
  return X;
}
---

-Chris