optimization/4280: Misplaced warnings with optimized `foo / 0.0'

[rth@gcc.gnu.org]

Synopsis: Misplaced warnings with optimized `foo / 0.0'

State-Changed-From-To: open->analyzed
State-Changed-By: rth
State-Changed-When: Tue Apr  2 23:37:20 2002
State-Changed-Why:
    Misplaced warnings produced under simplify_binary_real during
    cse_insn.  We don't have a way to pass down some notion of the
    current insn being considered here, so no way to get hold of 
    the proper line number.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=4280