[Bug fortran/92961] [8 Regression] ICE in gfc_zero_size_array, at fortran/arith.c:1680

2019-12-30 Thread tkoenig at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961

Thomas Koenig  changed:

   What|Removed |Added

 Depends on||93104
   Target Milestone|--- |8.4
Summary|[8/9 Regression] ICE in |[8 Regression] ICE in
   |gfc_zero_size_array, at |gfc_zero_size_array, at
   |fortran/arith.c:1680|fortran/arith.c:1680

--- Comment #5 from Thomas Koenig  ---
Commit to 8-branch held up by PR 93104.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93104
[Bug 93104] [8/10 Regression] Current trunk can not build gcc 8

[Bug fortran/92961] [8 Regression] ICE in gfc_zero_size_array, at fortran/arith.c:1680

2019-12-30 Thread tkoenig at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961

Thomas Koenig  changed:

   What|Removed |Added

 Depends on|93104   |

--- Comment #6 from Thomas Koenig  ---
Boostrapping gcc 8 with the system compiler (gcc 7.4.1) worked, so
I can regression-test the fix 93104. Unsetting "Depends on".


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93104
[Bug 93104] [9/10 Regression] Current trunk can not build gcc 8

[Bug fortran/92961] [8 Regression] ICE in gfc_zero_size_array, at fortran/arith.c:1680

2019-12-30 Thread tkoenig at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961

--- Comment #7 from Thomas Koenig  ---
Author: tkoenig
Date: Mon Dec 30 15:27:08 2019
New Revision: 279769

URL: https://gcc.gnu.org/viewcvs?rev=279769&root=gcc&view=rev
Log:
2019-12-30  Thomas Koenig  

Backport from trunk
PR fortran/92961
* fortran/ChangeLog: Added entry.
* testsuite/ChangeLog: Added entry.

Modified:
branches/gcc-9-branch/gcc/fortran/ChangeLog
branches/gcc-9-branch/gcc/testsuite/ChangeLog

[Bug fortran/92961] [8 Regression] ICE in gfc_zero_size_array, at fortran/arith.c:1680

2019-12-30 Thread tkoenig at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961

--- Comment #8 from Thomas Koenig  ---
Author: tkoenig
Date: Mon Dec 30 15:29:30 2019
New Revision: 279770

URL: https://gcc.gnu.org/viewcvs?rev=279770&root=gcc&view=rev
Log:
Catch division by zero errors in array sizes.

2019-12-30  Thomas Koenig  

Backport from trunk
PR fortran/92961
* gfortran.h (gfc_seen_div0): Add declaration.
* arith.h (gfc_seen_div0): Add definition.
(eval_intrinsic): For integer division by zero, set gfc_seen_div0.
* decl.c (variable_decl):  If resolution resp. simplification
fails for array spec and a division of zero error has been
seen, return MATCH_ERROR.

2019-12-30  Thomas Koenig  

Backport from trunk
PR fortran/92961
* gfortran.dg/arith_divide_2.f90: New test.


Added:
branches/gcc-8-branch/gcc/testsuite/gfortran.dg/arith_divide_2.f90
Modified:
branches/gcc-8-branch/gcc/fortran/ChangeLog
branches/gcc-8-branch/gcc/fortran/arith.c
branches/gcc-8-branch/gcc/fortran/decl.c
branches/gcc-8-branch/gcc/fortran/gfortran.h
branches/gcc-8-branch/gcc/testsuite/ChangeLog

[Bug fortran/92961] [8 Regression] ICE in gfc_zero_size_array, at fortran/arith.c:1680

2019-12-30 Thread tkoenig at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92961

Thomas Koenig  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #9 from Thomas Koenig  ---
Fixed on all open branches.

Thanks for the bug report!