[perl #78194] Referencing a PADTMP twice produces two copies

On Sun Oct 03 14:08:37 2010, sprout wrote:
> $ perl  -le' for( "$y" ){print \$_.\$_}'
> SCALAR(0x8039f0)SCALAR(0x8038d0)
> 
> (The same address should be printed twice.)
> 
> It looks as though the TARG ought to be stolen by S_refto, and then
> replaced via pad_swipe or something similar.

It might be cleaner for not only S_refto, but also any op that aliases a
PADTMP to copy it. That would include for, map, grep, arguments to
subroutines, and the lhs of (...)x...

• [perl #78194] Referencing a PADTMP twice produces two copies by bulk88 via RT
• Re: [perl #78194] Referencing a PADTMP twice produces two copies by Eric Brine
• [perl #78194] Referencing a PADTMP twice produces two copies by bulk88 via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• Re: [perl #78194] Referencing a PADTMP twice produces two copies by Dave Mitchell
• [perl #78194] Referencing a PADTMP twice produces two copies by patcat via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT
• Re: [perl #78194] Referencing a PADTMP twice produces two copies by Brian Fraser
• Re: [perl #78194] Referencing a PADTMP twice produces two copies by Eric Brine
• Re: [perl #78194] Referencing a PADTMP twice produces two copies by Eric Brine
• [perl #78194] Referencing a PADTMP twice produces two copies by Father Chrysostomos via RT