P3471 R3 Standard Library Hardening

[wg21bot]

P3471R0 Standard library hardening (Konstantin Varlamov, Louis Dionne)

[rogerorr]

P3471R1 was seen by SG23 on Thus in Wrocław

POLL: Are we interested in standardizing some portable notion of hardening for the Standard Library (as opposed to letting these efforts be vendor extensions)?

Favor	Neutral	Against
27	2	1

POLL: Are we happy with hardening being phrased in terms of contract violations?

Favor	Neutral	Against
26	5	1

POLL: Are we happy with advancing this paper independently from Profiles proposals (understanding they may be reunited in the future)?

Favor	Neutral	Against
28	1	0

POLL: We would like to forward P3471R1 to EWG/LEWG

Favor	Neutral	Against
30	0	1

[jfbastien]

See in EWG on Friday:

Poll: P3471r1 Standard library hardening: we are interested in having LEWG pursue standard library hardening in the C++26 timeframe, and encourage the proposal to come back to EWG with concrete wording to figure out how to deal with contracts and profiles.

SF	F	N	A	SA
39	9	0	0	0

Result: unanimously in favor

[wg21bot]

P3471R2 Standard Library Hardening (Konstantin Varlamov, Louis Dionne)

[inbal2l]

P3471R3 Standard Library Hardening (Konstantin Varlamov, Louis Dionne)

[inbal2l]

2025-02-13 Library Evolution Hagenberg Meeting

P3471R3: Standard Library Hardening

2025-02-13 Library Evolution Hagenberg Minutes

Champion: Louis Dionne
Chair: Inbal / Fabio
Minute Taker: Andreas Weis

Summary

ACTION: Ensure integrability of freestanding+hardened for the same build.

POLL: Forward P3471R3 to LWG for C++26.

SF	F	N	A	SA
21	7	1	0	3

Attendance: 33 (IP) + 9 (R)
Author's Position: SF
Outcome: Consensus in favor

Next Steps

Request to ensure integrability of freestanding+hardened for the same build (implementation input).
P3471R3 was forwarded to LWG for C++26.

[jfbastien]

Seen in Hagenberg in EWG on Friday:

Poll: P3471r3 Standard Library Hardening: forward to CWG for inclusion in C++26.

SF	F	N	A	SA
53	10	1	0	0

Consensus in favor.

[bstamour]

LWG saw this Friday morning in Hagenberg.

[bstamour]

LWG polled this Friday afternoon in Hagenberg:

Put P3471R4 into C++26 conditioned on the acceptance of P2900

F	A	N
17	0	1

[jensmaurer]

CWG 2025-02-14 in Hagenberg: Approved D3471R4 (after changes).