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US 17-047 7.7p16.7 [expr.const] "needed for constant evalution" #489

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wg21bot opened this issue Oct 30, 2022 · 2 comments · Fixed by cplusplus/draft#5987
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US 17-047 7.7p16.7 [expr.const] "needed for constant evalution" #489

wg21bot opened this issue Oct 30, 2022 · 2 comments · Fixed by cplusplus/draft#5987
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accepted CWG Core
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CD C++23

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wg21bot commented Oct 30, 2022

The criteria for a variable to be needed for constant evaluation are inconsistent with those for it to be usable in constant expressions (/4).

Proposed change:

Use "potentially-constant" in /15.7 (retaining the non-volatile restriction).
@wg21bot wg21bot added the CWG Core label Oct 31, 2022
@jensmaurer jensmaurer changed the title US 7.7p16.7 [expr.const] "needed for constant evalution" US 17-047 7.7p16.7 [expr.const] "needed for constant evalution" Nov 3, 2022
@jensmaurer jensmaurer transferred this issue from another repository Nov 3, 2022
@jensmaurer jensmaurer added this to the CD C++23 milestone Nov 3, 2022
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CWG2647

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jensmaurer commented Nov 8, 2022 •
edited

CWG 2022-11-08: Accepted with Modifications. See CWG2647 for details.

@jensmaurer jensmaurer mentioned this issue Nov 19, 2022
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2022-11 CWG Motion 3 cplusplus/draft
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