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* [Bug fortran/39996] New: Double typing of function results not detected
@ 2009-05-01 19:26 burnus at gcc dot gnu dot org
2009-05-05 20:35 ` [Bug fortran/39996] " janus at gcc dot gnu dot org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: burnus at gcc dot gnu dot org @ 2009-05-01 19:26 UTC (permalink / raw)
To: gcc-bugs
Found at c.l.f where Giorgio Pastore reported it.
http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/a48b6b038baabd90
gfortran -std=f95 does not detect the following:
interface
function square (x) result (s)
real,intent (in) ::x
real ::s
end function square
end interface
real :: square ! <<<<<<<<<< Wrong!
ifort prints:
error #6409: This name has already been used as an external procedure name.
[SQUARE]
real :: square
And NAG f95:
Error: hjff.f90, line 24: Multiply defined symbol SQUARE
detected at ::@SQUARE
Error: hjff.f90, line 24: Duplicate type declaration for SQUARE
detected at ::@SQUARE
--
Summary: Double typing of function results not detected
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: accepts-invalid
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: burnus at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39996
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/39996] Double typing of function results not detected
2009-05-01 19:26 [Bug fortran/39996] New: Double typing of function results not detected burnus at gcc dot gnu dot org
@ 2009-05-05 20:35 ` janus at gcc dot gnu dot org
2009-05-09 20:53 ` janus at gcc dot gnu dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu dot org @ 2009-05-05 20:35 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from janus at gcc dot gnu dot org 2009-05-05 20:35 -------
Extended test case, including six similar cases, of which only the first three
are detected (comment #0 corresponds to case 'E'):
! Detected:
interface
real function A ()
end function
end interface
real :: A ! Error: Symbol 'a' at (1) already has basic type of REAL
! Detected:
real :: B
interface
real function B () ! Error: Function 'b' at (1) already has a type of REAL
end function
end interface
! Detected:
interface
function C ()
real :: C
end function
end interface
real :: C ! Error: Symbol 'c' at (1) already has basic type of REAL
! Not Detected:
real :: D
interface
function D ()
real :: D
end function
end interface
! Not Detected:
interface
function E () result (s)
real ::s
end function
end interface
real :: E
! Not Detected:
real :: F
interface
function F () result (s)
real ::s
end function F
end interface
end
--
janus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2009-05-05 20:35:34
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39996
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/39996] Double typing of function results not detected
2009-05-01 19:26 [Bug fortran/39996] New: Double typing of function results not detected burnus at gcc dot gnu dot org
2009-05-05 20:35 ` [Bug fortran/39996] " janus at gcc dot gnu dot org
@ 2009-05-09 20:53 ` janus at gcc dot gnu dot org
2009-05-14 9:42 ` janus at gcc dot gnu dot org
2009-05-14 9:46 ` janus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu dot org @ 2009-05-09 20:53 UTC (permalink / raw)
To: gcc-bugs
--
janus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |janus at gcc dot gnu dot org
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2009-05-05 20:35:34 |2009-05-09 20:53:00
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39996
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/39996] Double typing of function results not detected
2009-05-01 19:26 [Bug fortran/39996] New: Double typing of function results not detected burnus at gcc dot gnu dot org
2009-05-05 20:35 ` [Bug fortran/39996] " janus at gcc dot gnu dot org
2009-05-09 20:53 ` janus at gcc dot gnu dot org
@ 2009-05-14 9:42 ` janus at gcc dot gnu dot org
2009-05-14 9:46 ` janus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu dot org @ 2009-05-14 9:42 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from janus at gcc dot gnu dot org 2009-05-14 09:42 -------
Subject: Bug 39996
Author: janus
Date: Thu May 14 09:41:41 2009
New Revision: 147528
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147528
Log:
2009-05-14 Janus Weil <janus@gcc.gnu.org>
PR fortran/39996
* decl.c (gfc_match_function_decl): Use gfc_add_type.
* symbol.c (gfc_add_type): Better checking for duplicate types in
function declarations. And: Always give an error for duplicte types,
not just a warning with -std=gnu.
2009-05-14 Janus Weil <janus@gcc.gnu.org>
PR fortran/39996
* gfortran.dg/func_decl_2.f90: Modified (replacing warnings by errors).
* gfortran.dg/duplicate_type_2.f90: Ditto.
* gfortran.dg/duplicate_type_3.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/duplicate_type_3.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/decl.c
trunk/gcc/fortran/symbol.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/duplicate_type_2.f90
trunk/gcc/testsuite/gfortran.dg/func_decl_2.f90
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39996
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/39996] Double typing of function results not detected
2009-05-01 19:26 [Bug fortran/39996] New: Double typing of function results not detected burnus at gcc dot gnu dot org
` (2 preceding siblings ...)
2009-05-14 9:42 ` janus at gcc dot gnu dot org
@ 2009-05-14 9:46 ` janus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu dot org @ 2009-05-14 9:46 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from janus at gcc dot gnu dot org 2009-05-14 09:46 -------
Fixed with r147528. Closing.
--
janus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39996
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2009-05-01 19:26 [Bug fortran/39996] New: Double typing of function results not detected burnus at gcc dot gnu dot org
2009-05-05 20:35 ` [Bug fortran/39996] " janus at gcc dot gnu dot org
2009-05-09 20:53 ` janus at gcc dot gnu dot org
2009-05-14 9:42 ` janus at gcc dot gnu dot org
2009-05-14 9:46 ` janus at gcc dot gnu dot org
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