[Bug rtl-optimization/49847] [4.7 Regression] NULL deref in fold_rtx (prev_insn_cc0 == NULL)

[schwab@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49847

--- Comment #13 from Andreas Schwab <schwab@linux-m68k.org> 2012-01-23 19:51:48 UTC ---
Reduced testcase, to be compiled with -O -fnon-call-exceptions.

int f (float g)
{
  try { return g >= 0; }
  catch (...) {}
}