* [Bug fortran/45151] [4.6 regression] New Fortran failuires
2010-07-31 15:30 [Bug fortran/45151] New: [4.6 regression] New Fortran failuires hjl dot tools at gmail dot com
@ 2010-07-31 15:37 ` dominiq at lps dot ens dot fr
2010-08-01 12:23 ` mikael at gcc dot gnu dot org
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From: dominiq at lps dot ens dot fr @ 2010-07-31 15:37 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from dominiq at lps dot ens dot fr 2010-07-31 15:37 -------
Likely due to revision 162776:
[macbook] f90/bug% gfc -std=f2003
/opt/gcc/work/gcc/testsuite/gfortran.dg/typebound_proc_15.f03
/opt/gcc/work/gcc/testsuite/gfortran.dg/typebound_proc_15.f03:15.23:
procedure :: bar, baz ! { dg-error "PROCEDURE list" }
1
Error: Fortran 2008: PROCEDURE list at (1)
f951: internal compiler error: in next_statement, at fortran/parse.c:894
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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2010-07-31 15:37 ` [Bug fortran/45151] " dominiq at lps dot ens dot fr
@ 2010-08-01 12:23 ` mikael at gcc dot gnu dot org
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From: mikael at gcc dot gnu dot org @ 2010-08-01 12:23 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from mikael at gcc dot gnu dot org 2010-08-01 12:23 -------
Confirmed, and mine I guess.
I don't know what I was testing when I said I was testing the patch for the
future revision 162776.
Actually, I was a bit surprised not to see any failure in the testsuite.
Anyway, the patch is OK, I think (It can be reverted temporarily if needed).
I will look at the failures.
--
mikael at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |mikael at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-08-01 12:23:04
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: janus at gcc dot gnu dot org @ 2010-08-01 12:39 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from janus at gcc dot gnu dot org 2010-08-01 12:39 -------
Many of these failures are actually due to 'gfc_copy_formal_args' and can be
fixed with:
Index: gcc/fortran/symbol.c
===================================================================
--- gcc/fortran/symbol.c (revision 162794)
+++ gcc/fortran/symbol.c (working copy)
@@ -4030,6 +4030,9 @@ gfc_copy_formal_args (gfc_symbol *dest, gfc_symbol
gfc_formal_arglist *formal_prev = NULL;
/* Save current namespace so we can change it for formal args. */
gfc_namespace *parent_ns = gfc_current_ns;
+
+ if (!src->formal)
+ return;
/* Create a new namespace, which will be the formal ns (namespace
of the formal args). */
@@ -4070,6 +4073,8 @@ gfc_copy_formal_args (gfc_symbol *dest, gfc_symbol
dest->formal_ns = gfc_current_ns;
/* Restore the current namespace to what it was on entry. */
gfc_current_ns = parent_ns;
+
+ gfc_commit_symbols ();
}
@@ -4181,6 +4186,8 @@ gfc_copy_formal_args_ppc (gfc_component *dest, gfc
dest->formal_ns = gfc_current_ns;
/* Restore the current namespace to what it was on entry. */
gfc_current_ns = parent_ns;
+
+ gfc_commit_symbols ();
}
With this patch, the remaining failures are:
FAIL: gfortran.dg/bind_c_dts_3.f03 -O (internal compiler error)
FAIL: gfortran.dg/c_assoc_2.f03 -O (internal compiler error)
FAIL: gfortran.dg/c_ptr_tests_5.f03 -O (internal compiler error)
FAIL: gfortran.dg/finalize_3.f03 -O (internal compiler error)
FAIL: gfortran.dg/function_kinds_5.f90 -O (internal compiler error)
FAIL: gfortran.dg/proc_ptr_result_2.f90 -O (internal compiler error)
--
janus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |janus at gcc dot gnu dot org
Target Milestone|4.6.0 |---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: janus at gcc dot gnu dot org @ 2010-08-01 12:50 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from janus at gcc dot gnu dot org 2010-08-01 12:50 -------
Btw, maybe 'changed_syms' should be made static again. Instead of the assert in
parse.c one can use 'gfc_symbol_state'.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-01 12:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from mikael at gcc dot gnu dot org 2010-08-01 12:52 -------
(In reply to comment #3)
> Many of these failures are actually due to 'gfc_copy_formal_args' and can be
> fixed with:
[...]
>
>
Agreed. The patch I was about to post had also this extra hunk :
Index: symbol.c
===================================================================
--- symbol.c (revision 162798)
+++ symbol.c (working copy)
@@ -4141,6 +4141,10 @@ gfc_copy_formal_args_ppc (gfc_component *dest, gfc
/* Save current namespace so we can change it for formal args. */
gfc_namespace *parent_ns = gfc_current_ns;
+ /* Make sure gfc_commit_symbols at the end doesn't commit something
+ unrelated. */
+ gcc_assert (changed_syms == NULL);
+
/* Create a new namespace, which will be the formal ns (namespace
of the formal args). */
gfc_current_ns = gfc_get_namespace (parent_ns, 0);
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-01 12:54 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from mikael at gcc dot gnu dot org 2010-08-01 12:54 -------
(In reply to comment #4)
> Btw, maybe 'changed_syms' should be made static again. Instead of the assert in
> parse.c one can use 'gfc_symbol_state'.
>
Yes, makes sense.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-01 13:12 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from mikael at gcc dot gnu dot org 2010-08-01 13:12 -------
(In reply to comment #3)
> With this patch, the remaining failures are:
>
> FAIL: gfortran.dg/bind_c_dts_3.f03 -O (internal compiler error)
> FAIL: gfortran.dg/c_assoc_2.f03 -O (internal compiler error)
fixed by this :
Index: intrinsic.c
===================================================================
--- intrinsic.c (revision 162798)
+++ intrinsic.c (working copy)
@@ -112,6 +112,8 @@ gfc_get_intrinsic_sub_symbol (const char *name)
sym->attr.flavor = FL_PROCEDURE;
sym->attr.proc = PROC_INTRINSIC;
+ gfc_commit_symbols ();
+
return sym;
}
Remaining :
> FAIL: gfortran.dg/c_ptr_tests_5.f03 -O (internal compiler error)
> FAIL: gfortran.dg/finalize_3.f03 -O (internal compiler error)
> FAIL: gfortran.dg/function_kinds_5.f90 -O (internal compiler error)
> FAIL: gfortran.dg/proc_ptr_result_2.f90 -O (internal compiler error)
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: janus at gcc dot gnu dot org @ 2010-08-01 21:30 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from janus at gcc dot gnu dot org 2010-08-01 21:30 -------
> > FAIL: gfortran.dg/proc_ptr_result_2.f90 -O (internal compiler error)
This one is fixed by adding a 'gfc_commit_symbols' also in
'gfc_copy_formal_args_intr' (cf. comment #3).
Still Remaining :
> > FAIL: gfortran.dg/c_ptr_tests_5.f03 -O (internal compiler error)
> > FAIL: gfortran.dg/finalize_3.f03 -O (internal compiler error)
> > FAIL: gfortran.dg/function_kinds_5.f90 -O (internal compiler error)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-01 22:29 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from mikael at gcc dot gnu dot org 2010-08-01 22:29 -------
Created an attachment (id=21367)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21367&action=view)
Tentative patch
I will test & submit this tomorrow.
I have decided to use gfc_commit_symbol (sym) instead of the full
gfc_commit_symbols to minimize interference with changed_sym in both parsing
mode and resolution mode (just in case someone wants to use the functions in
the other mode in the future).
The remaining testcases were missing a reject_statement () or gfc_undo_symbol
thrown together with the error. The patch also corrects others cases in the
affected functions that may prove wrong in the future.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: dominiq at lps dot ens dot fr @ 2010-08-02 5:24 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from dominiq at lps dot ens dot fr 2010-08-02 05:23 -------
The patch in comment #9 works as expected on the gfortran testsuite and on my
own tests. Note that while testing I have found unrelated pr45161. Thanks for
the patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-02 15:31 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from mikael at gcc dot gnu dot org 2010-08-02 15:31 -------
Subject: Bug 45151
Author: mikael
Date: Mon Aug 2 15:30:47 2010
New Revision: 162821
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162821
Log:
2010-08-02 Mikael Morin <mikael@gcc.gnu.org>
Janus Weil <janus@gcc.gnu.org>
PR fortran/42051
PR fortran/44064
PR fortran/45151
* intrinsic.c (gfc_get_intrinsic_sub_symbol): Commit changed symbol.
* symbol.c (gen_cptr_param, gen_fptr_param, gen_shape_param,
gfc_copy_formal_args, gfc_copy_formal_args_intr,
gfc_copy_formal_args_ppc, generate_isocbinding_symbol): Ditto.
* parse.c (parse_derived_contains, parse_spec, parse_progunit):
Call reject_statement in case of error.
(match_deferred_characteritics): Call gfc_undo_symbols in case match
fails.
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/intrinsic.c
trunk/gcc/fortran/parse.c
trunk/gcc/fortran/symbol.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: burnus at gcc dot gnu dot org @ 2010-08-03 9:44 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from burnus at gcc dot gnu dot org 2010-08-03 09:44 -------
This PR seems to be mostly fixed:
- x86_64-unknown-linux-gnu shows _no_ failures (-m32/-m64)
http://gcc.gnu.org/ml/gcc-testresults/2010-08/msg00217.html
- ia64-unknown-linux-gnu shows _two_ failures:
http://gcc.gnu.org/ml/gcc-testresults/2010-08/msg00213.html
FAIL: gfortran.dg/maxlocval_3.f90 -O3 -fomit-frame-pointer -funroll-loops
(test for excess errors)
FAIL: gfortran.dg/maxlocval_3.f90 -O3 -fomit-frame-pointer -funroll-all-loops
-finline-functions (test for excess errors)
FAIL: gfortran.dg/typebound_proc_15.f03 -O (internal compiler error)
FAIL: gfortran.dg/typebound_proc_15.f03 -O (test for excess errors)
The latter is PR 44584 for which a patch has just been posted.
HJ: Can you confirm that all failures are now gone (pending the PR 44584
committal), except for maxlocval_3.f90?
Can you post the excess error which is shown for maxlocval_3.f90?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: hjl dot tools at gmail dot com @ 2010-08-03 14:24 UTC (permalink / raw)
To: gcc-bugs
------- Comment #13 from hjl dot tools at gmail dot com 2010-08-03 14:24 -------
gfortran.dg/maxlocval_3.f90 is due to assembler warning:
/tmp/cc9gn3uW.s:3475: Warning: Use of 'movl' may violate WAW dependency 'GR%, %
in 1 - 127' (impliedf), specific resource number is 24^M
/tmp/cc9gn3uW.s:3475: Warning: Only the first path encountering the conflict is
reported^M
/tmp/cc9gn3uW.s:3472: Warning: This is the location of the conflicting usage^M
output is:
/tmp/cc9gn3uW.s: Assembler messages:^M
/tmp/cc9gn3uW.s:3475: Warning: Use of 'movl' may violate WAW dependency 'GR%, %
in 1 - 127' (impliedf), specific resource number is 24^M
/tmp/cc9gn3uW.s:3475: Warning: Only the first path encountering the conflict is
reported^M
/tmp/cc9gn3uW.s:3472: Warning: This is the location of the conflicting usage^M
FAIL: gfortran.dg/maxlocval_3.f90 -O3 -fomit-frame-pointer -funroll-loops
(test for excess errors)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: sje at cup dot hp dot com @ 2010-08-03 15:42 UTC (permalink / raw)
To: gcc-bugs
------- Comment #14 from sje at cup dot hp dot com 2010-08-03 15:42 -------
The assembler warning messages (shown in comment #13) that are causing the
failure of gfortran.dg/maxlocval_3.f90 are due to PR 15445 and is not a new
problem.
--
sje at cup dot hp dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sje at cup dot hp dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: burnus at gcc dot gnu dot org @ 2010-08-03 16:13 UTC (permalink / raw)
To: gcc-bugs
------- Comment #15 from burnus at gcc dot gnu dot org 2010-08-03 16:13 -------
Based on the comments: Close as FIXED.
Thanks for the initial report HJ; thanks for the fix Mikael; and thanks for the
pointer to PR target/15445 Steve!
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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From: mikael at gcc dot gnu dot org @ 2010-08-05 21:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #16 from mikael at gcc dot gnu dot org 2010-08-05 21:08 -------
Subject: Bug 45151
Author: mikael
Date: Thu Aug 5 21:08:36 2010
New Revision: 162921
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162921
Log:
2010-08-05 Mikael Morin <mikael@gcc.gnu.org>
Janus Weil <janus@gcc.gnu.org>
PR fortran/42051
PR fortran/44064
PR fortran/45151
* intrinsic.c (gfc_get_intrinsic_sub_symbol): Commit changed symbol.
* symbol.c (gen_cptr_param, gen_fptr_param, gen_shape_param,
gfc_copy_formal_args, gfc_copy_formal_args_intr,
gfc_copy_formal_args_ppc, generate_isocbinding_symbol): Ditto.
(gfc_find_derived_vtab): Commit newly created symbols.
* parse.c (parse_derived_contains, parse_spec, parse_progunit):
Call reject_statement in case of error.
(match_deferred_characteritics): Call gfc_undo_symbols in case match
fails.
Modified:
branches/gcc-4_5-branch/gcc/fortran/ChangeLog
branches/gcc-4_5-branch/gcc/fortran/intrinsic.c
branches/gcc-4_5-branch/gcc/fortran/parse.c
branches/gcc-4_5-branch/gcc/fortran/symbol.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45151
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