Invalid syntax error on test case from TinyCC

[amai2012]

This file inspired by https://github.com/TinyCC/tinycc/blob/mob/tests/pp/02.c

#define x 3
#define f(a) f(x * (a))
#undef x
#define x 2
#define g f
#define z z[0]
#define h g(~
#define m(a) a(w)
#define w 0,1
#define t(a) a
#define p() int
#define q(x) x
#define r(x,y) x ## y
#define str(x) # x
void func(int y, int z) {
f(y+1) + f(f(z)) % t(t(g)(0) + t)(1);
g(x+(3,4)-w) | h 5) & m
(f)^m(m);
char c[2][6] = { str(hello), str() };
/*
 * f(2 * (y+1)) + f(2 * (f(2 * (z[0])))) % f(2 * (0)) + t(1);
 * f(2 * (2+(3,4)-0,1)) | f(2 * (~ 5)) & f(2 * (0,1))^m(0,1);
 * char c[2][6] = { "hello", "" };
 */
#define L21 f(y+1) + f(f(z)) % t(t(g)(0) + t)(1);
#define L22 g(x+(3,4)-w) | h 5) & m\
 (f)^m(m);
L21
L22
}

triggers a a.c:8: syntax error: failed to expand 'm', Wrong number of parameters for macro 'f'.

[amai2012]

GNU cpp spits out:

$ cpp tickets/109.c
# 1 "tickets/109.c"
# 1 "<eingebaut>"
# 1 "<Kommandozeile>"
# 1 "tickets/109.c"
# 15 "tickets/109.c"
void func(int y, int z[0]) {
f(2 * (y+1)) + f(2 * (f(2 * (z[0])))) % f(2 * (0)) + t(1);
f(2 * (2 +(3,4)-0,1)) | f(2 * (~ 5)) & f(2 * (0,1))
   ^m(0,1);
char c[2][6] = { "hello", "" };
# 28 "tickets/109.c"
f(2 * (y+1)) + f(2 * (f(2 * (z[0])))) % f(2 * (0)) + t(1);
f(2 * (2 +(3,4)-0,1)) | f(2 * (~ 5)) & f(2 * (0,1))^m(0,1);
}

[firewave]

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15: void func ( int y , int z [ 0 ] ) {
16: f ( 2 * ( y + 1 ) ) + f ( 2 * ( f ( 2 * ( z [ 0 ] ) ) ) ) % f ( 0 ) + t ( 1 ) ;
17: f ( 2 * ( 2 + ( 3 , 4 ) - 0 , 1 ) ) | ( ~ 5 ) & f ( 2 * ( 0 , 1 ) )
18: ^ m ( 0 , 1 ) ;
19: char c [ 2 ] [ 6 ] = { "hello" , "" } ;
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28: f ( 2 * ( y + 1 ) ) + f ( 2 * ( f ( 2 * ( z [ 0 ] ) ) ) ) % f ( 0 ) + 1 ;
29: f ( 2 * ( 2 + ( 3 , 4 ) - 0 , 1 ) ) | ( ~ 5 ) & f ( 2 * ( 0 , 1 ) ) ^ m ( 0 , 1 ) ;
30: }