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re PR fortran/31257 (ICE in gfc_conv_expr_descriptor)

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2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31257
	* intrinsic.c (add_functions): Add ref. to gfc_resolve_achar.
	* intrinsic.h : Add prototype for gfc_resolve_achar.
	* iresolve.c (gfc_resolve_achar): New function.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31257
	* gfortran.dg/achar_4.f90: New test.

From-SVN: r123646
This commit is contained in:
Paul Thomas 2007-04-07 20:29:13 +00:00
parent 145bdc2cbc
commit 3c19e5e1a1
6 changed files with 50 additions and 1 deletions
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7
gcc/fortran/ChangeLog
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@ -1,3 +1,10 @@
2007-04-07 Paul Thomas <pault@gcc.gnu.org>
PR fortran/31257
* intrinsic.c (add_functions): Add ref. to gfc_resolve_achar.
* intrinsic.h : Add prototype for gfc_resolve_achar.
* iresolve.c (gfc_resolve_achar): New function.
2007-04-07 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30880

2
gcc/fortran/intrinsic.c
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@ -951,7 +951,7 @@ add_functions (void)
make_generic ("access", GFC_ISYM_ACCESS, GFC_STD_GNU);
add_sym_1 ("achar", ELEMENTAL, ACTUAL_NO, BT_CHARACTER, dc, GFC_STD_F95,
gfc_check_achar, gfc_simplify_achar, NULL,
gfc_check_achar, gfc_simplify_achar, gfc_resolve_achar,
i, BT_INTEGER, di, REQUIRED);
make_generic ("achar", GFC_ISYM_ACHAR, GFC_STD_F95);

1
gcc/fortran/intrinsic.h
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@ -301,6 +301,7 @@ gfc_expr *gfc_convert_constant (gfc_expr *, bt, int);
/* Resolution functions. */
void gfc_resolve_abs (gfc_expr *, gfc_expr *);
void gfc_resolve_access (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_achar (gfc_expr *, gfc_expr *);
void gfc_resolve_acos (gfc_expr *, gfc_expr *);
void gfc_resolve_acosh (gfc_expr *, gfc_expr *);
void gfc_resolve_aimag (gfc_expr *, gfc_expr *);

16
gcc/fortran/iresolve.c
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@ -98,6 +98,22 @@ gfc_resolve_access (gfc_expr *f, gfc_expr *name ATTRIBUTE_UNUSED,
}
void
gfc_resolve_achar (gfc_expr *f, gfc_expr *x)
{
f->ts.type = BT_CHARACTER;
f->ts.kind = gfc_default_character_kind;
f->ts.cl = gfc_get_charlen ();
f->ts.cl->next = gfc_current_ns->cl_list;
gfc_current_ns->cl_list = f->ts.cl;
f->ts.cl->length = gfc_int_expr (1);
f->value.function.name
= gfc_get_string ("__achar_%c%d", gfc_type_letter (x->ts.type), x->ts.kind);
}
void
gfc_resolve_acos (gfc_expr *f, gfc_expr *x)
{

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-04-07 Paul Thomas <pault@gcc.gnu.org>
PR fortran/31257
* gfortran.dg/achar_4.f90: New test.
2007-04-07 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30880

20
gcc/testsuite/gfortran.dg/achar_4.f90 Normal file
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@ -0,0 +1,20 @@
! { dg-do run }
! Tests the fix for PR31257, in which achar caused an ICE because it had no
! charlen.
!
! The code comes from http://www.star.le.ac.uk/~cgp/fortran.html (by Clive Page)
! Reported by Thomas Koenig <tkoenig@gcc.gnu.org>
!
if (any (Up ("AbCdEfGhIjKlM") .ne. (/"ABCDEFGHIJKLM"/))) call abort ()
contains
Character (len=20) Function Up (string)
Character(len=*) string
Up = &
transfer(merge(achar(iachar(transfer(string,"x",len(string)))- &
(ichar('a')-ichar('A')) ), &
transfer(string,"x",len(string)) , &
transfer(string,"x",len(string)) >= "a" .and. &
transfer(string,"x",len(string)) <= "z"), repeat("x", len(string)))
return
end function Up
end