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* [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param
@ 2011-10-17 6:50 Joost.VandeVondele at pci dot uzh.ch
2011-10-17 8:09 ` [Bug fortran/50752] " janus at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-10-17 6:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50752
Bug #: 50752
Summary: [4.7 Regression] ICE in match_kind_param
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: Joost.VandeVondele@pci.uzh.ch
This one-liner leads to a segfault in 4.7:
vondele@pcihopt3:/data03/vondele/bugs/ice> cat bug.f90
rPos=0.0_dp
vondele@pcihopt3:/data03/vondele/bugs/ice> gfortran bug.f90
f951: internal compiler error: Segmentation fault
60 *is_iso_c = sym->attr.is_iso_c;
(gdb) bt
#0 0x000000000056db6f in match_kind_param (is_iso_c=0x7fffffffd51c) at
../../gcc/gcc/fortran/primary.c:60
#1 get_kind (is_iso_c=0x7fffffffd51c) at ../../gcc/gcc/fortran/primary.c:103
#2 0x000000000056de7b in match_real_constant (result=0x7fffffffd660,
signflag=Unhandled dwarf expression opcode 0xf3
) at ../../gcc/gcc/fortran/primary.c:625
#3 0x000000000056ed6c in gfc_match_literal_constant (result=0x7fffffffd660,
signflag=0) at ../../gcc/gcc/fortran/primary.c:1367
#4 0x000000000055994e in match_primary (result=0x7fffffffd6c0) at
../../gcc/gcc/fortran/matchexp.c:149
#5 match_level_1 (result=0x7fffffffd6c0) at
../../gcc/gcc/fortran/matchexp.c:210
#6 match_mult_operand (result=0x7fffffffd6c0) at
../../gcc/gcc/fortran/matchexp.c:264
#7 0x0000000000559c3d in match_add_operand (result=0x7fffffffd718) at
../../gcc/gcc/fortran/matchexp.c:353
#8 0x0000000000559f65 in match_level_2 (result=0x7fffffffd760) at
../../gcc/gcc/fortran/matchexp.c:477
#9 0x000000000055a005 in match_level_3 (result=0x7fffffffd7c0) at
../../gcc/gcc/fortran/matchexp.c:548
#10 0x000000000055a13a in match_level_4 (result=0x7fffffffd810) at
../../gcc/gcc/fortran/matchexp.c:596
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/50752] [4.7 Regression] ICE in match_kind_param
2011-10-17 6:50 [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param Joost.VandeVondele at pci dot uzh.ch
@ 2011-10-17 8:09 ` janus at gcc dot gnu.org
2011-10-17 9:37 ` burnus at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu.org @ 2011-10-17 8:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50752
janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Keywords| |ice-on-invalid-code
Last reconfirmed| |2011-10-17
CC| |janus at gcc dot gnu.org
AssignedTo|unassigned at gcc dot |janus at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
--- Comment #1 from janus at gcc dot gnu.org 2011-10-17 08:08:59 UTC ---
This is clearly due to
http://gcc.gnu.org/viewcvs?view=revision&revision=180062
which was my fix for PR47023. It's easy to fix this, however. To offending line
should just came a bit too soon:
Index: gcc/fortran/primary.c
===================================================================
--- gcc/fortran/primary.c (revision 180062)
+++ gcc/fortran/primary.c (working copy)
@@ -57,11 +57,11 @@ match_kind_param (int *kind, int *is_iso_c)
if (gfc_find_symbol (name, NULL, 1, &sym))
return MATCH_ERROR;
- *is_iso_c = sym->attr.is_iso_c;
-
if (sym == NULL)
return MATCH_NO;
+ *is_iso_c = sym->attr.is_iso_c;
+
if (sym->attr.flavor != FL_PARAMETER)
return MATCH_NO;
Sorry for the breakage. Will commit as obvious.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/50752] [4.7 Regression] ICE in match_kind_param
2011-10-17 6:50 [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param Joost.VandeVondele at pci dot uzh.ch
2011-10-17 8:09 ` [Bug fortran/50752] " janus at gcc dot gnu.org
@ 2011-10-17 9:37 ` burnus at gcc dot gnu.org
2011-10-17 9:47 ` janus at gcc dot gnu.org
2011-10-17 10:54 ` janus at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: burnus at gcc dot gnu.org @ 2011-10-17 9:37 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50752
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |burnus at gcc dot gnu.org
Target Milestone|--- |4.7.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/50752] [4.7 Regression] ICE in match_kind_param
2011-10-17 6:50 [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param Joost.VandeVondele at pci dot uzh.ch
2011-10-17 8:09 ` [Bug fortran/50752] " janus at gcc dot gnu.org
2011-10-17 9:37 ` burnus at gcc dot gnu.org
@ 2011-10-17 9:47 ` janus at gcc dot gnu.org
2011-10-17 10:54 ` janus at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu.org @ 2011-10-17 9:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50752
--- Comment #2 from janus at gcc dot gnu.org 2011-10-17 09:46:34 UTC ---
Author: janus
Date: Mon Oct 17 09:46:30 2011
New Revision: 180079
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180079
Log:
2011-10-17 Janus Weil <janus@gcc.gnu.org>
PR fortran/47023
PR fortran/50752
* primary.c (match_kind_param): Avoid segfault.
2011-10-17 Janus Weil <janus@gcc.gnu.org>
PR fortran/47023
PR fortran/50752
* gfortran.dg/kind_tests_4.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/kind_tests_4.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/primary.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/50752] [4.7 Regression] ICE in match_kind_param
2011-10-17 6:50 [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param Joost.VandeVondele at pci dot uzh.ch
` (2 preceding siblings ...)
2011-10-17 9:47 ` janus at gcc dot gnu.org
@ 2011-10-17 10:54 ` janus at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: janus at gcc dot gnu.org @ 2011-10-17 10:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50752
janus at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #3 from janus at gcc dot gnu.org 2011-10-17 10:53:37 UTC ---
Fixed with r180079. Closing.
Thanks for catching this so quickly, Joost!
^ permalink raw reply [flat|nested] 5+ messages in thread
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2011-10-17 6:50 [Bug fortran/50752] New: [4.7 Regression] ICE in match_kind_param Joost.VandeVondele at pci dot uzh.ch
2011-10-17 8:09 ` [Bug fortran/50752] " janus at gcc dot gnu.org
2011-10-17 9:37 ` burnus at gcc dot gnu.org
2011-10-17 9:47 ` janus at gcc dot gnu.org
2011-10-17 10:54 ` janus at gcc dot gnu.org
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