The following invalid code snippet causes an ICE since GCC 4.1.0:
====================================================
extern double frexp (double x, int *e);
extern double fabs (double x);
void foo(int *p)
{
fabs(frexp(0.., p));
}
====================================================
bug.c:6:16: error: too many decimal points in number
bug.c: In function 'foo':
bug.c:6: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in tree_expr_nonnegative_p, at fold-const.c:11776
Please submit a full bug report, [etc.]
--
Summary: [4.1/4.2 regression] ICE in tree_expr_nonnegative_p
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, error-recovery, monitored
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27488
