C error is constant used as enum value before it is defined

[JalonSolov]

V doctor:

V full version: V 0.4.6 efa98d9.6bea0cb
OS: linux, "Manjaro Linux"
Processor: 32 cpus, 64bit, little endian, AMD Ryzen 9 7950X 16-Core Processor

getwd: /home/jalon
vexe: /home/jalon/git/v/v
vexe mtime: 2024-07-23 13:12:49

vroot: OK, value: /home/jalon/git/v
VMODULES: OK, value: /home/jalon/.vmodules
VTMP: OK, value: /tmp/v_1000

Git version: git version 2.45.2
Git vroot status: weekly.2024.30-5-g6bea0cb3
.git/config present: true

CC version: cc (GCC) 14.1.1 20240522
thirdparty/tcc status: thirdparty-linux-amd64 40e5cbb5

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

enum Foo {
	a = c
	b = 1
	c = 2
}

const c = 0

What did you expect to see?

V error message, not C.

What did you see instead?

================== C compilation error (from tcc): ==============
cc: /tmp/v_1000/x.01J3FY4BD93TB5RFHY1XD9FEDZ.tmp.c:839: error: '_const_main__c' undeclared
=================================================================

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