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[Bug bootstrap/50665] [4.7 Regression] Bootstrap failure
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 08 Oct 2011 22:49:14 +0000
- Subject: [Bug bootstrap/50665] [4.7 Regression] Bootstrap failure
- Auto-submitted: auto-generated
- References: <bug-50665-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50665
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rth at gcc dot gnu.org
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-08 22:49:14 UTC ---
[hjl@gnu-1 gcc]$ cat x.i
const char *
foo (const char *s)
{
return s;
}
[hjl@gnu-1 gcc]$ ./xgcc -B./ -S x.i -o /tmp/x.s -mssse3
x.i: In function \u2018foo\u2019:
x.i:5:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-1 gcc]$
Somehow
Continuing.
Hardware watchpoint 9: default_target_regs.x_hard_regno_nregs[31][DImode]
Old value = 1 '\001'
New value = 255 '\377'
init_all_optabs () at insn-opinit.c:1543
1543 set_direct_optab_handler (vec_perm_optab, V2DImode,
CODE_FOR_vec_permv2di);
overwrites default_target_regs.x_hard_regno_nregs[31][DImode].