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 <rguent...@suse.de>
* fold-const.c (fold_binary_loc): Move (T)ptr & CST folding...
* match.pd: ... here.
Rainer
