[Patch, fortran] PR38665 - [4.4 Regression] ICE in check_host_association

[Paul Richard Thomas]

Dear All,

Another one of these pesky regressions!  The bug and the patch are
self-explanatory.  Please note the TODO in resolve.c.

Bootstrapped and regtested on FC9/x86_i64 - OK for trunk and for 4.3 in a week?

Paul

2009-01-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38665
	* gfortran.h : Add bit to gfc_expr 'user_operator'
	* interface.c (gfc_extend_expr): Set the above if the operator
	is substituted by a function.
	* resolve.c (check_host_association): Return if above is set.

2009-01-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38665
	* gfortran.dg/host_assoc_function_5.f90: New test.
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