Special behaviour for _Dmodule_ref and _d_run_main?

[Denis Feklushkin]

On Monday, 11 May 2020 at 11:08:51 UTC, David Nadlinger wrote:
> On 11 May 2020, at 10:52, Denis Feklushkin via 
> digitalmars-d-ldc wrote:
>> ld.lld: error: undefined symbol: _Dmodule_ref
>>>>> referenced by app.d
>>>>>               lto.tmp:(.text._D3app16__moduleinfoCtorZ+0x0)
>>>>> referenced by app.d
>>>>>               lto.tmp:(_D3app16__moduleinfoCtorZ)
>
> Which version of LDC/druntime are you trying to use?

LDC - the LLVM D compiler (1.20.1):
   based on DMD v2.090.1 and LLVM 9.0.1

Compiling for ARM (--mtriple=thumbv7m-unknown-none-eabi)

> _Dmodule_ref shouldn't have been in use on x86(_64) Linux for a 
> few years now.

LDC fork of druntime still uses it.

$ llvm-nm-9 -a libdruntime.a says that _Dmodule_ref and 
_Dmodule_ref is defined in libdruntime.a