orm: cgen issue when updating embedded structs

[Le0Developer]

V doctor:

V full version: V 0.4.8 602b097
OS: macos, macOS, 15.1.1, 24B2091
Processor: 10 cpus, 64bit, little endian, Apple M4

getwd: /Users/leodev/p/v/fast2
vexe: /Users/leodev/p/v/v/v
vexe mtime: 2024-11-30 11:15:35

vroot: OK, value: /Users/leodev/p/v/v
VMODULES: OK, value: /Users/leodev/.vmodules
VTMP: OK, value: /tmp/v_501

Git version: git version 2.47.0
Git vroot status: weekly.2024.48-24-g602b097d
.git/config present: true

CC version: Apple clang version 16.0.0 (clang-1600.0.26.4)
emcc version: N/A
thirdparty/tcc status: thirdparty-macos-arm64 713692d4

What did you do?
./v -g -o vdbg cmd/v && ./vdbg repro.v

import db.sqlite

@[table: 'commits']
struct Commit {
	commit string @[primary]
	thing Thing
}

struct Thing {
	value string
}

db := sqlite.connect(':memory:')!

t := Thing{
	value: 'hello'
}
sql db {
	update Commit set thing = t where commit == ''
}!

What did you expect to see?

Successful compilation

What did you see instead?

================== C compilation error (from cc): ==============
cc:       |               ^
cc: /tmp/v_501/repro.01JDZF4R5N57ZWC02113MPX6AC.tmp.c:19262:6: error: call to undeclared function 'orm__main__Thing_to_primitive'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
cc:  19262 |                                         orm__main__Thing_to_primitive(t),
cc:        |                                         ^
cc: /tmp/v_501/repro.01JDZF4R5N57ZWC02113MPX6AC.tmp.c:19262:6: note: did you mean 'orm__option_string_to_primitive'?
cc: /tmp/v_501/repro.01JDZF4R5N57ZWC02113MPX6AC.tmp.c:18212:32: note: 'orm__option_string_to_primitive' declared here
cc:  18212 | VV_LOCAL_SYMBOL orm__Primitive orm__option_string_to_primitive(_option_string b) {
cc:        |                                ^
cc: /tmp/v_501/repro.01JDZF4R5N57ZWC02113MPX6AC.tmp.c:19262:6: error: incompatible integer to pointer conversion initializing 'orm__InfixType *' (aka 'struct orm__InfixType *') with an expression of type 'int' [-Wint-conversion]
cc:  19262 |                                         orm__main__Thing_to_primitive(t),
cc:        |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc: 2 warnings and 2 errors generated.
... (the original output was 23 lines long, and was truncated to 12 lines)
================================================================
(You can pass `-cg`, or `-show-c-output` as well, to print all the C error messages).
builder error: 
==================
C error found. It should never happen, when compiling pure V code.
This is a V compiler bug, please report it using `v bug file.v`,
or goto https://github.com/vlang/v/issues/new/choose .
You can also use #help on Discord: https://discord.gg/vlang .

_{Huly®: V_0.6-21464}

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