Re: Latest Strawberries: addresses reported by "p", Devel::Peek, etc.

[tonyc]

There were a few changes in that range relevant to the changes you're seeing:

• Strawberry Perl changed from doing an MSVCRT build of perl to UCRT, this is likely the cause of the change in pointer ranges (the addresses in both cases virtual addresses, like pretty much any pointer on a modern OS)
• Richard changed constant folding to allow constant folded strings to be marked Copy-on-Write in 06e421c559c
• I changed pack() to make SVs used for the pack "p" template non-CoW in more cases in 3d831e8998d, since we documented modifying SVs through the pointers pack() produces.

[syphilis]

Strawberry Perl changed from doing an MSVCRT build of perl to UCRT, this is likely the cause of the change in pointer ranges ...

I ran the given script on SP-5.38.2 (which still used MSVCRT) and got:

v5.38.2
SV = PV(0x1875c0cb100) at 0x1875c201748
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x1875c20cba0 "sss"...\0
  CUR = 32
  LEN = 34
Q: hex: 1875c20cba0, dec: 1680877865888
SV = PV(0x1875c0cb100) at 0x1875c201748
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x1875c20cba0 "sss"...\0
  CUR = 32
  LEN = 34

Apart from a missing "IsCow" flag, the output looks to me essentially the same as for SP-5.42.0.
This suggests to me that the switch to UCRT is not part of the explanation.

Cheers,
Rob