https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97681
Bug ID: 97681
Summary: noinline attribute ignored on constexpr function
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ldalessandro at gmail dot com
Target Milestone: ---
GCC inlines function marked noinline when the function is marked as
`constexpr`, even if it is not used in `constexpr` context.
https://godbolt.org/z/b94Kje
```
[[gnu::noinline]] constexpr auto a() { return 1; }
[[gnu::noinline]] auto b() { return 2; }
int main() {
int i = a();
int j = b();
return i + j;
}
```
```
b():
mov eax, 2
ret
main:
call b()
add eax, 1
ret
```
