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* [Bug c++/109518] New: invalid constexpr code is accepted
@ 2023-04-15 4:28 Darrell.Wright at gmail dot com
2023-04-18 9:44 ` [Bug c++/109518] " redi at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: Darrell.Wright at gmail dot com @ 2023-04-15 4:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109518
Bug ID: 109518
Summary: invalid constexpr code is accepted
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: Darrell.Wright at gmail dot com
Target Milestone: ---
The following invalid code is UB but accepted by gcc. The life of x has not
started yet, https://eel.is/c++draft/basic.life#1.2 , but it is accessed.
constexpr void init(int & x) { x = 42; }
constexpr int foo() {
int x = (init(x), x);
return x;
}
static_assert( foo( ) == 42 );
https://gcc.godbolt.org/z/oGE51eMz4
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c++/109518] invalid constexpr code is accepted
2023-04-15 4:28 [Bug c++/109518] New: invalid constexpr code is accepted Darrell.Wright at gmail dot com
@ 2023-04-18 9:44 ` redi at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: redi at gcc dot gnu.org @ 2023-04-18 9:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109518
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2023-04-18
Status|UNCONFIRMED |NEW
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-04-15 4:28 [Bug c++/109518] New: invalid constexpr code is accepted Darrell.Wright at gmail dot com
2023-04-18 9:44 ` [Bug c++/109518] " redi at gcc dot gnu.org
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