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[flang] Enforce C955 on DEALLOCATE #129788

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Merged
klausler merged 1 commit into from
Mar 10, 2025
Merged

[flang] Enforce C955 on DEALLOCATE #129788

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3 changes: 3 additions & 0 deletions flang/lib/Semantics/check-deallocate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,9 @@ void DeallocateChecker::Leave(const parser::DeallocateStmt &deallocateStmt) {
"Object in DEALLOCATE statement is not deallocatable"_err_en_US)
.Attach(std::move(
whyNot->set_severity(parser::Severity::Because)));
} else if (evaluate::ExtractCoarrayRef(*expr)) { // F'2023 C955
context_.Say(source,
"Component in DEALLOCATE statement may not be coindexed"_err_en_US);
}
}
},
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8 changes: 8 additions & 0 deletions flang/test/Semantics/deallocate05.f90
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Expand Up @@ -27,6 +27,11 @@ Program deallocatetest
Character(256) :: ee
Procedure(Real) :: prp

type at
real, allocatable :: a
end type
type(at) :: c[*]

Allocate(rp)
Deallocate(rp)

Expand Down Expand Up @@ -67,4 +72,7 @@ Program deallocatetest
!ERROR: ERRMSG may not be duplicated in a DEALLOCATE statement
Deallocate(x, stat=s, errmsg=ee, errmsg=ee)

!ERROR: Component in DEALLOCATE statement may not be coindexed
deallocate(c[1]%a)

End Program deallocatetest