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r126885 - in /trunk/gcc: fortran/ChangeLog fort...


Author: pault
Date: Tue Jul 24 19:15:27 2007
New Revision: 126885

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126885
Log:
2007-07-24 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/31205
	PR fortran/32842
	* trans-expr.c (gfc_conv_function_call): Remove the default
	initialization of intent(out) derived types.
	* symbol.c (gfc_lval_expr_from_sym): New function.
	* matchexp.c (gfc_get_parentheses): Return argument, if it is
	character and posseses a ref.
	* gfortran.h : Add prototype for gfc_lval_expr_from_sym.
	* resolve.c (has_default_initializer): Move higher up in file.
	(resolve_code): On detecting an interface assignment, check
	if the rhs and the lhs are the same symbol.  If this is so,
	enclose the rhs in parenetheses to generate a temporary and
	prevent any possible aliasing.
	(apply_default_init): Remove code making the lval and call
	gfc_lval_expr_from_sym instead.
	(resolve_operator): Give a parentheses expression a type-
	spec if it has no type.
	* trans-decl.c (gfc_trans_deferred_vars): Apply the a default
	initializer, if any, to an intent(out) derived type, using
	gfc_lval_expr_from_sym and gfc_trans_assignment.  Check if
	the dummy is present.


2007-07-24 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/31205
	* gfortran.dg/alloc_comp_basics_1.f90 : Restore number of
	"deallocates" to 24, since patch has code rid of much spurious
	code.
	* gfortran.dg/interface_assignment_1.f90 : New test.

	PR fortran/32842
	* gfortran.dg/interface_assignment_2.f90 : New test.

Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/matchexp.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/symbol.c
    trunk/gcc/fortran/trans-decl.c
    trunk/gcc/fortran/trans-expr.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/alloc_comp_basics_1.f90


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