[Bug rtl-optimization/31025] New: [dataflow] Crash in caller-save.c due to x87 math

[bonzini at gnu dot org]

reduced testcase:

real*8 function f(x)
t1 = g(0)
if(x .eq. 0) then
  f = 0
else if(x .eq. 1) then
  f = t1 *log( t1 )
end if
end

dlarnd.f90: In function 'f':
dlarnd.f90:3: internal compiler error: in insert_save, at caller-save.c:731


-- 
           Summary: [dataflow] Crash in caller-save.c due to x87 math
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bonzini at gnu dot org
GCC target triplet: i686-pc-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31025