gen_addrpc32: absolute ptr needs *ABS* relocation
gen_addrpc32: absolute ptr needs *ABS* relocation

Dereferencing of absolute pointers is broken on x86_64, eg:

*(int*)NULL does not segfault but returns -4 instead
*(char*)(-10L << 20) does not return 0x55 (vsyscall page, push rbp)

avih/tinycc,code4game/tinycc,code4game/tinycc,mingodad/tinycc,mingodad/tinycc,avih/tinycc,mirror/tinycc,mirror/tinycc,code4game/tinycc,mirror/tinycc,avih/tinycc,mingodad/tinycc,mirror/tinycc,mingodad/tinycc,avih/tinycc