Moved from https://issues.dlang.org/show_bug.cgi?id=5922

bearophile_hugs@eml.cc writes:

D2 code, static (thread-local) variables can't be used in ASM:


void main() {
    static size_t x = 10;
    asm {
        mov EDI, x;
    }
}


It produces:
object.Error: Access Violation


They work using __gshared, this gives no errors:

void main() {
    __gshared static size_t x = 10;
    asm {
        mov EDI, x;
    }
}


My suggestion is to remove this source of errors. One solution may be to disallow the direct access to static variables from asm code, avoiding this bug.