Re: [Iverilog-devel] Icarus Verilog Snapshot 20150513

[Stephen W. <st...@ic...>]

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There is a problem in that bit of code where if the copy contructor
is called, the LineInfo may not work properly. That is one thing
that should be fixed. That can be done either by not implementing
the referenced copy constructor at all (to assure that it cannot
be called) or implement a LineInfo copy constructor.

I think Orson will need to look into it.

On 05/13/2015 04:30 PM, Cary R. wrote:
> Hi Larry,
> 
> I test on various systems and only the RHEL 5 system has this
> warning. It could be a bogus warning (e.g. the copy constructor is
> never actually called), but it would be nice if it was not there so
> we have a clean compile on the common systems.
> 
> Cary
> 
> 
> 
> On Wednesday, May 13, 2015 4:18 PM, Larry Doolittle 
> <ldo...@re...> wrote:
> 
> 
> Cary -
> 
> The oldest gcc I have readily available is 4.4.5, on Debian
> oldoldstable (Squeeze LTS).  It does not give the referenced
> warning.
> 
> - Larry
> 
> On Wed, May 13, 2015 at 10:16:32PM +0000, Cary R. wrote:
>> This is on Red Hat Enterprise 5 64-bit which has gcc-4.1.2. I am
>> using
> the normal  warning flags. Centos 5, etc. should give same
> environment.
>> 
>> On Wednesday, May 13, 2015 12:11 PM, Maciej Sumi?ski
> <mac...@ce... <mailto:mac...@ce...>> wrote:
>> Thank you for the information. Which compiler do you use or what
>> flags cause the warning to appear? I have tried gcc 4.9.2/5.1.0 &
>> clang 3.6.0 (all 64 bits) and none of them have displayed the
>> message.
>> 
>> 
>> On 05/13/2015 08:59 PM, Cary R. wrote:
>>> One thing I see when compiling under RHEL5 64-bit is I get the
> following warning:
>>> expression.cc: In copy constructor
> ‘ExpConditional::else_t::else_t(const ExpConditional::else_t&)’:
>>> expression.cc:313: warning: base class ‘class LineInfo’ should
>>> be
> explicitly initialized in the copy constructor
> 
> 
> 
> 
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- -- 
Steve Williams                "The woods are lovely, dark and deep.
steve at icarus.com           But I have promises to keep,
http://www.icarus.com         and lines to code before I sleep,
http://www.picturel.com       And lines to code before I sleep."
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