c/9100: [3.3/3.4 regression] illegal binary constant causes gcc to seg fault

[Neil Booth]

bangerth@dealii.org wrote:-

> Old Synopsis: illegal binary constant causes gcc to seg fault
> New Synopsis: [3.3/3.4 regression] illegal binary constant causes gcc to seg fault
> 
> State-Changed-From-To: open->analyzed
> State-Changed-By: bangerth
> State-Changed-When: Tue Jan  7 17:19:50 2003
> State-Changed-Why:
>     A minimal testcase is this (just this one line):
>     -------------------------
>     int i = (0b11111000 == 0);
>     -------------------------
>     It crashes both the C and C++ front ends with a SegFault.

I'd guess this is an unchecked for "error_mark_node" (death to them), and
quite easy to fix.

Neil.