Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324. The idea is to separate the notion of const from 'this variable can always be replaced with its initializer' in the frontend. To do that, I introduced Declaration::isSameAsInitializer, which is overridden in VarDeclaration to return false for constants that have a struct literal initializer. So {{{ const S s = S(5); void foo() { auto ps = &s; } // is no longer replaced by void foo() { auto ps = &(S(5)); } }}} To make taking the address of a struct constant with a struct-initializer outside of function scope possible, I made sure that AddrExp::optimize doesn't try to run the argument's optimization with WANTinterpret - that'd again replace the constant with a struct literal temporary.

#!/usr/bin/env bash

OLDHOME=$HOME
export HOME=`pwd`

goerror(){
    export HOME=$OLDHOME
    echo "="
    echo "= *** Error ***"
    echo "="
    exit 1
}

make clean -fldc-posix.mak          || goerror
make -fldc-posix.mak                || goerror
chmod 644 ../import/core/*.di       || goerror
chmod 644 ../import/core/sync/*.di  || goerror

export HOME=$OLDHOME