Teach stack promotion to walk the CFG when a potential reuse of an allocation is found to see if it can actually happen instead of just assuming it will. This allows it to catch cases like {{{ int i; Foo f; while (cond(i)) f = new Foo(i++); return f.value; }}} where it previously wouldn't because a phi using the allocation would appear in the condition block to propagate it to the use after the loop.

#!/usr/bin/env bash

OLDHOME=$HOME
export HOME=`pwd`

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

make unittest -fdmd-posix.mak   || goerror

export HOME=$OLDHOME