Re: [Caml-list] Questions about changing lambda IR

[Bob Zhang <bobzhang1988@gmail.com>]

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It does not work for me. Since it fails to compile, I pushed it to another
branch https://github.com/bobzhang/ocaml/tree/fails (sorry for the
misinformation)

I did `git clean -fxd` and try configure, make world, it failed in the same
place.
Thank you for your time!

On Sat, Aug 8, 2015 at 3:37 AM, Gabriel Scherer <gabriel.scherer@gmail.com>
wrote:

> You need to run "make bootstrap" to avoid having part of the definition
> compiled against the stale definition of lambda.cmi. (I just checked that
> it works on your change: after a bootrsap, "make world", "make opt", "make
> opt.opt" work.)
>
> On Sat, Aug 8, 2015 at 5:50 AM, Bob Zhang <bobzhang1988@gmail.com> wrote:
>
>>
>> Dear caml develpers,
>>
>>    I am working on an experimental branch to pass more information from
>> typedtree to lambda to enable ocaml generate user readable javascript code(
>> https://github.com/bobzhang/ocaml/tree/master) (online-demo:
>> http://zhanghongbo.me/js-demo/)
>>
>>    Here I get a segfault, after I change const_block:
>>    Below is my minimal change:
>>
>> ```
>> type pointer_info =
>>   | NullConstructor of string
>>   | NullVariant of string
>>   | NAPointer
>>
>> type tag_info =
>>   | Constructor of string
>>   | Tuple
>>   | Variant of string
>>   | Record
>>   | NA
>>
>> type structured_constant =
>>     Const_base of constant
>>   | Const_pointer of int * pointer_info
>>   | Const_block of int * tag_info * structured_constant list
>>   | Const_float_array of string list
>>   | Const_immstring of string
>> ```
>> Note that the enriched info is not used in ``emitcode``, now I get a
>> segfault in make world:
>>
>> ```
>> ../../boot/ocamlrun ../../ocamlc -nostdlib -I ../../stdlib -c -w +33..39
>> -warn-error A -bin-annot -g -safe-string -I ../../stdlib -I ../../utils -I
>> ../../typing -I ../../bytecomp -I ../../asmcomp extract_crc.ml
>> ../../boot/ocamlrun ../../ocamlc -nostdlib -I ../../stdlib -o extract_crc
>> dynlink.cma extract_crc.cmo
>> make[3]: *** [extract_crc] Segmentation fault: 11
>> make[3]: *** Deleting file `extract_crc'
>> make[2]: *** [otherlibraries] Error 2
>> make[1]: *** [all] Error 2
>> ```
>>
>> Any help is appreciated : )
>>
>> --
>> Regards
>> -- Hongbo Zhang
>>
>
>


-- 
Regards
-- Hongbo Zhang

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