cgen error: redefinition of type

[einar-hjortdal]

Describe the bug

Code compiles with cgen error redefinition of '__v_array_to_interface_array__Array_einar_hjortdal__firebird__Value__to__Array_einar_hjortdal__firebird__Value'

Reproduction Steps

git clone https://github.com/einar-hjortdal/peony.git
cd peony
git checkout feat_argon2id_passwords
v install
v -n run peony_test.v 

Expected Behavior

no cgen error

Current Behavior

================== C compilation error (from tcc): ==============
cc: /tmp/v_1000/peony_test.01KPDZCT6MAQJV4RNG09SXPS1F.tmp.c:23937: error: redefinition of '__v_array_to_interface_array__Array_einar_hjortdal__firebird__Value__to__Array_einar_hjortdal__firebird__Value'
=================================================================

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.5.1 7f8fc05

Environment details (OS name and version, etc.)

V full version	V 0.5.1 58f1857.7f8fc05
OS	linux, "openmamba release 2026.4 for x86_64 (rolling)"
Processor	8 cpus, 64bit, little endian, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
Memory	13.11GB/31.17GB
V executable	/home/einar/.local/lib64/v/v
V last modified time	2026-04-17 09:15:17
V home dir	OK, value: /home/einar/.local/lib64/v
VMODULES	OK, value: /home/einar/.vmodules
VTMP	OK, value: /tmp/v_1000
Current working dir	OK, value: /home/einar/Documents/projects/vlang/active/peony
Git version	git version 2.53.0
V git status	weekly.2026.03-1174-g7f8fc05c
.git/config present	true
cc version	cc (GCC) 15.2.1 20251019
gcc version	gcc (GCC) 15.2.1 20251019
clang version	N/A
tcc version	tcc version 0.9.28rc 2025-02-13 HEAD@f8bd136d (x86_64 Linux)
tcc git status	thirdparty-linux-amd64 696c1d84
emcc version	N/A
glibc version	ldd (GNU libc) 2.43

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[einar-hjortdal]

Can't tell if this is fixed: I am running in a new cgen error today that isn't this one.