[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

Martin Liška  changed:

   What|Removed |Added

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

--- Comment #12 from Martin Liška  ---
Should be fixed on all active branches.

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440
Bug 81440 depends on bug 83954, which changed state.

Bug 83954 Summary: [6/7 Regression] LTO: Bogus -Wlto-type-mismatch warning for 
array of pointer to incomplete type
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83954

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #11 from Martin Liška  ---
Author: marxin
Date: Wed Mar  7 09:47:46 2018
New Revision: 258328

URL: https://gcc.gnu.org/viewcvs?rev=258328=gcc=rev
Log:
Backport r256989

2018-03-07  Martin Liska  

Backport from mainline
2018-01-23  Martin Liska  

PR lto/81440
* lto-symtab.c (lto_symtab_merge): Handle and do not warn about
trailing arrays at the end of a struct.
2018-03-07  Martin Liska  

Backport from mainline
2018-01-23  Martin Liska  

PR lto/81440
* gcc.dg/lto/pr81440.h: New test.
* gcc.dg/lto/pr81440_0.c: New test.
* gcc.dg/lto/pr81440_1.c: New test.

Added:
branches/gcc-6-branch/gcc/testsuite/gcc.dg/lto/pr81440.h
branches/gcc-6-branch/gcc/testsuite/gcc.dg/lto/pr81440_0.c
branches/gcc-6-branch/gcc/testsuite/gcc.dg/lto/pr81440_1.c
Modified:
branches/gcc-6-branch/gcc/lto/ChangeLog
branches/gcc-6-branch/gcc/lto/lto-symtab.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #10 from Martin Liška  ---
Author: marxin
Date: Tue Mar  6 20:06:29 2018
New Revision: 258295

URL: https://gcc.gnu.org/viewcvs?rev=258295=gcc=rev
Log:
Backport r256989

2018-03-06  Martin Liska  

Backport from mainline
2018-01-23  Martin Liska  

PR lto/81440
* lto-symtab.c (lto_symtab_merge): Handle and do not warn about
trailing arrays at the end of a struct.
2018-03-06  Martin Liska  

Backport from mainline
2018-01-23  Martin Liska  

PR lto/81440
* gcc.dg/lto/pr81440.h: New test.
* gcc.dg/lto/pr81440_0.c: New test.
* gcc.dg/lto/pr81440_1.c: New test.

Added:
branches/gcc-7-branch/gcc/testsuite/gcc.dg/lto/pr81440.h
branches/gcc-7-branch/gcc/testsuite/gcc.dg/lto/pr81440_0.c
branches/gcc-7-branch/gcc/testsuite/gcc.dg/lto/pr81440_1.c
Modified:
branches/gcc-7-branch/gcc/lto/ChangeLog
branches/gcc-7-branch/gcc/lto/lto-symtab.c
branches/gcc-7-branch/gcc/testsuite/ChangeLog

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

Eric Gallager  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED

--- Comment #9 from Eric Gallager  ---
(In reply to Martin Liška from comment #8)
> Fixed on trunk, queued for backport.

Since you're the assignee I'm changing the status to ASSIGNED for the backport

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

Martin Liška  changed:

   What|Removed |Added

  Known to work||8.0
  Known to fail||6.4.0, 7.2.0

--- Comment #8 from Martin Liška  ---
Fixed on trunk, queued for backport.

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #7 from Martin Liška  ---
Author: marxin
Date: Tue Jan 23 15:46:02 2018
New Revision: 256989

URL: https://gcc.gnu.org/viewcvs?rev=256989=gcc=rev
Log:
Handle trailing arrays in ODR warning (PR lto/81440).

2018-01-23  Martin Liska  

PR lto/81440
* lto-symtab.c (lto_symtab_merge): Handle and do not warn about
trailing arrays at the end of a struct.
2018-01-23  Martin Liska  

PR lto/81440
* gcc.dg/lto/pr81440.h: New test.
* gcc.dg/lto/pr81440_0.c: New test.
* gcc.dg/lto/pr81440_1.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/lto/pr81440.h
trunk/gcc/testsuite/gcc.dg/lto/pr81440_0.c
trunk/gcc/testsuite/gcc.dg/lto/pr81440_1.c
Modified:
trunk/gcc/lto/ChangeLog
trunk/gcc/lto/lto-symtab.c
trunk/gcc/testsuite/ChangeLog

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #6 from Martin Liška  ---
Patch candidate:
https://gcc.gnu.org/ml/gcc-patches/2018-01/msg01942.html

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #5 from Martin Liška  ---
(In reply to Dan Halbert from comment #4)
> There's movement on bug 83954, which seems related but is a different
> manifestation. Will a fix there fix this also? (I see your "I've got a
> patch" comment, but that was a while ago).

Sorry, I forgot about it. Let me push it..

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[halbert at halwitz dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #4 from Dan Halbert  ---
There's movement on bug 83954, which seems related but is a different
manifestation. Will a fix there fix this also? (I see your "I've got a patch"
comment, but that was a while ago).

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #3 from Martin Liška  ---
Confirmed, I've got patch that I'll consult with Honza.

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

Martin Liška  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2017-09-11
   Assignee|unassigned at gcc dot gnu.org  |marxin at gcc dot 
gnu.org
 Ever confirmed|0   |1

--- Comment #2 from Martin Liška  ---
I'll take a look.

[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[halbert at halwitz dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #1 from Dan Halbert  ---
*** Bug 81439 has been marked as a duplicate of this bug. ***