Declaring a variable in a for loop

[lain-dono]

This code produces a syntax error:

for (int i = 0; i<42; i++) {
    /* ... */
}

Such replacement works, but it's definitely uncomfortable to do manually:

int i;
for (i = 0; i<42; i++) {
    /* ... */
}

[rsc]

This program is meant to handle the code found in the Go compiler (a C program). It is not a general C program. There's no intent to handle narrowly scoped variables well, for example.