v8 LTO build fails on arm-linux-gnueabihf

[Prathamesh Kulkarni]

On 7 April 2015 at 13:58, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
>
> On 05/04/15 21:33, Prathamesh Kulkarni wrote:
>>
>> ../test/unittests/compiler/simplified-operator-unittest.cc:23:61: note: a
>> field of same name but different type is defined in another translation unit
>>     const Operator* (SimplifiedOperatorBuilder::*constructor)();
>>                                                               ^
>> /tmp/cc8drsSQ.s: Assembler messages:
>> /tmp/cc8drsSQ.s:69493: Error: offset out of range
>> /tmp/cc8drsSQ.s:69639: Error: offset out of range
>
>
> Hi Prathamesh,
>
> Last time I saw this error, it was because some define_insn in the arm
> backend had the wrong 'length' attribute. In particular, if the
> 'length' attribute underestimates the true length of the instruction
> then the compiler may try to pack too many instructions into between
> a branch and a label, causing this error. If there is a way to get a
> preprocessed file for this, compiling with -dp to annotate the assembly
> with the define_insn patterns used and the 'length' attribute should
> help with tracking this down, if that is indeed what's the problem.
>
Hi Kyrill,
Sorry for late response, the assembly corresponds to inline assembly
in src/arm/cpu-arm.cc.
I have filed this as PR65778.

Thank you,
Prathamesh
> Kyrill
>