[Bug tree-optimization/66800] [6 regression] gcc.dg/vect/vect-align-1.c FAILs

[Bug tree-optimization/66800] [6 regression] gcc.dg/vect/vect-align-1.c FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66800

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |6.0

[Bug tree-optimization/66800] New: [6 regression] gcc.dg/vect/vect-align-1.c FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66800

            Bug ID: 66800
           Summary: [6 regression] gcc.dg/vect/vect-align-1.c FAILs
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-*-solaris2.*

Between r225008 and r225374, gcc.dg/vect/vect-align-1.c began to FAIL on
Solaris/SPARC, both 32 and 64-bit:

FAIL: gcc.dg/vect/vect-align-1.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-align-1.c execution test

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1 (LWP 1)]
0x00010c8c in main1 (p=p@entry=0x21018)
    at /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-align-1.c:27
27            p->y[i] = x[i];
(gdb) where
#0  0x00010c8c in main1 (p=p@entry=0x21018)
    at /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-align-1.c:27
#1  0x00010dc0 in main ()
    at /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-align-1.c:46

mdb: stop on SIGBUS
mdb: target stopped at:
main1+0x18:     std       %d8, [%g1]

1: x/i $pc
=> 0x10c48 <main1+24>:  std  %f8, [ %g1 ]
(gdb) p $g1 
$1 = 135169
(gdb) p/x $g1
$2 = 0x21001

A reghunt identified the following patch as the culprit:

2015-07-03  Richard Biener  <rguenther@suse.de>

        * fold-const.c (fold_binary_loc): Move (T)ptr & CST folding...
        * match.pd: ... here.

  Rainer

[Bug tree-optimization/66800] [6 regression] gcc.dg/vect/vect-align-1.c FAILs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66800

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Should be already fixed.

*** This bug has been marked as a duplicate of bug 66767 ***