http://sourceware.org/bugzilla/show_bug.cgi?id=13036
--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> 2012-05-18 10:30:08
UTC ---
The code in question is:
---
int base_reg = -1;
int reg_incr = -1;
...
struct neon_typed_alias firsttype;
if (skip_past_char (&ptr, '{') == SUCCESS)
leading_brace = 1;
do
{
struct neon_typed_alias atype;
int getreg = parse_typed_reg_or_scalar (&ptr, rtype, &rtype, &atype);
if (getreg == FAIL)
{
first_error (_(reg_expected_msgs[rtype]));
return FAIL;
}
if (base_reg == -1)
{
base_reg = getreg;
if (rtype == REG_TYPE_NQ)
{
reg_incr = 1;
}
firsttype = atype;
}
else if (reg_incr == -1)
{
reg_incr = getreg - base_reg;
if (reg_incr < 1 || reg_incr > 2)
{
first_error (_(incr_error));
return FAIL;
}
}
else if (getreg != base_reg + reg_incr * count)
{
first_error (_(incr_error));
return FAIL;
}
if (! neon_alias_types_same (&atype, &firsttype))
----
Since base_reg == -1 the first time, firsttype is initialized
to atype. This is a compiler bug and you should report it to
Ubuntu.
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