Compiling vab with -autofree doesn't work

[snowflakednew]

Describe the bug

Compiling vab with -autofree does not work

Reproduction Steps

v install vab && v -autofree -show-timings ~/.vmodules/vab

Expected Behavior

V successfully compiles vab

Current Behavior

0.007    ms v start
0.860    ms v parsing CLI args
293.408  ms Builder.front_stages.parse_files
4.844    ms Builder.resolve_deps
1641.288 ms Builder.parse_imports
239.343  ms SCAN
1143.589 ms PARSE
1934.913 ms ALL_FRONT_STAGES
0.143    ms Checker.generic_insts_to_concrete
1321.017 ms CHECK
142.758  ms TRANSFORM
11.426   ms Table.complete_interface_check
112.586  ms all_fn_const_and_global
142.492  ms MARKUSED
0.527    ms Gen.write_sorted_fn_typesymbol_declaration
23.974   ms Gen.sort_structs
35.049   ms cgen init
397.867  ms cgen parallel processing
4.645    ms Gen.sort_globals_consts
36.689   ms cgen unification
7.384    ms Gen.write_init_function
6.437    ms Gen.interface_table
30.289   ms cgen common
510.009  ms C GEN
10832.232 ms C  cc
================== C compilation error (from cc): ==============
cc:       |         ^
cc: /data/data/com.termux/files/usr/tmp/v_10356/vab.01JFHAVAHTGQ5Y589VE65NX700.tmp.c:29775:47: error: unexpected type name 'string': expected expression
cc:  29775 | string _arg_expr_flag_trace_println_1_15995 = string _t28; /* if prepend */
cc:        |                                               ^
cc: /data/data/com.termux/files/usr/tmp/v_10356/vab.01JFHAVAHTGQ5Y589VE65NX700.tmp.c:29775:53: error: expected ';' at end of declaration
cc:  29775 | string _arg_expr_flag_trace_println_1_15995 = string _t28; /* if prepend */
cc:        |                                                     ^
cc:        |                                                     ;
cc: /data/data/com.termux/files/usr/tmp/v_10356/vab.01JFHAVAHTGQ5Y589VE65NX700.tmp.c:29777:6: error: use of undeclared identifier '_t28'; did you mean '_t7'?
cc:  29777 |                                         _t28 = _SLIT("(long)");
cc:        |                                         ^~~~
cc:        |                                         _t7
... (the original output was 83 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 .
16096.413 ms TOTAL

Possible Solution

No response

Additional Information/Context

CC is clang version 19.1.6
Target: aarch64-unknown-linux-android24
Thread model: posix
Build environment is termux

V version

V 0.4.8 05cbbfb

Environment details (OS name and version, etc.)

OS: termux, 4.19.191-g468a43073423-dirty, #1 SMP PREEMPT Mon Nov 11 18:15:53 CST 2024
Processor: 8 cpus, 64bit, little endian

getwd: /data/data/com.termux/files/home
vexe: /data/data/com.termux/files/home/.v/v
vexe mtime: 2024-12-20 07:59:54

vroot: OK, value: /data/data/com.termux/files/home/.v
VMODULES: OK, value: /data/data/com.termux/files/home/.vmodules
VTMP: OK, value: /data/data/com.termux/files/usr/tmp/v_10356

Git version: git version 2.47.1
Git vroot status: weekly.2024.45-366-g05cbbfba-dirty (4 commit(s) behind V master)
.git/config present: true

CC version: clang version 19.1.6
emcc version: N/A
thirdparty/tcc status: thirdparty-unknown-unknown de82a130-dirty```
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[felipensp]

Duplicated of #23081