[Bug ipa/77587] [5/6 Regression] C compiler produces incorrect stack alignment with __attribute__((weak))

2016-12-07 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77587

--- Comment #7 from Jakub Jelinek  ---
Author: jakub
Date: Wed Dec  7 22:29:01 2016
New Revision: 243383

URL: https://gcc.gnu.org/viewcvs?rev=243383&root=gcc&view=rev
Log:
Backported from mainline
2016-09-19  Jakub Jelinek  
Jan Hubicka  

PR target/77587
* cgraph.c (cgraph_node::rtl_info): Pass &avail to
ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
Call ultimate_alias_target just once, not up to 4 times.

* gcc.dg/pr77587.c: New test.
* gcc.dg/pr77587a.c: New file.

Added:
branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr77587.c
branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr77587a.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/cgraph.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog

[Bug ipa/77587] [5/6 Regression] C compiler produces incorrect stack alignment with __attribute__((weak))

2016-12-01 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77587

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2

[Bug ipa/77587] [5/6 Regression] C compiler produces incorrect stack alignment with __attribute__((weak))

2016-09-20 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77587

Jakub Jelinek  changed:

   What|Removed |Added

  Known to work||7.0
Summary|[5/6/7 Regression] C|[5/6 Regression] C compiler
   |compiler produces incorrect |produces incorrect stack
   |stack alignment with|alignment with
   |__attribute__((weak))   |__attribute__((weak))
  Known to fail|7.0 |

--- Comment #6 from Jakub Jelinek  ---
Fixed on the trunk so far.