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Assumed-size arrays are shared and cannot be privatized #112963

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Merged
merged 1 commit into from
Oct 27, 2024
Merged

Assumed-size arrays are shared and cannot be privatized #112963

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2 changes: 2 additions & 0 deletions flang/lib/Semantics/resolve-directives.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2052,6 +2052,8 @@ void OmpAttributeVisitor::Post(const parser::OpenMPAllocatorsConstruct &x) {
static bool IsPrivatizable(const Symbol *sym) {
auto *misc{sym->detailsIf<MiscDetails>()};
return !IsProcedure(*sym) && !IsNamedConstant(*sym) &&
!semantics::IsAssumedSizeArray(
*sym) && /* OpenMP 5.2, 5.1.1: Assumed-size arrays are shared*/
!sym->owner().IsDerivedType() &&
sym->owner().kind() != Scope::Kind::ImpliedDos &&
!sym->detailsIf<semantics::AssocEntityDetails>() &&
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11 changes: 11 additions & 0 deletions flang/test/Semantics/OpenMP/default-none.f90
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Expand Up @@ -47,3 +47,14 @@ subroutine sb4
end do loop
!$omp end parallel
end subroutine

! Test that default(none) does not error for assumed-size array
subroutine sub( aaa)
real,dimension(*),intent(in)::aaa
integer::ip
real::ccc
!$omp parallel do private(ip,ccc) default(none)
do ip = 1, 10
ccc= aaa(ip)
end do
end subroutine sub
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