[all-commits] [llvm/llvm-project] c2784e: [Flang][OpenMP] DEFAULT(NONE) error checking on im...

[Phoebe Linck via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c2784e11cc4405cbc64d1928cbcabbbd0759777b
      https://github.com/llvm/llvm-project/commit/c2784e11cc4405cbc64d1928cbcabbbd0759777b
  Author: Phoebe Linck <phoebelinck at gmail.com>
  Date:   2026-03-04 (Wed, 04 Mar 2026)

  Changed paths:
    M flang/lib/Semantics/resolve-directives.cpp
    M flang/test/Semantics/OpenMP/resolve05.f90

  Log Message:
  -----------
  [Flang][OpenMP] DEFAULT(NONE) error checking on implicit references (#182214)

A variable with an unspecified data-sharing attribute under a
DEFAULT(NONE) clause only emits an error if the variable is explicitly
referenced in the body of the construct with DEFAULT(NONE).

Ex:

```
!$omp parallel default(none)
!$omp task
a = 1
!$omp end task
!$omp end parallel
end
```
gfortran will error with `‘a’ not specified in enclosing ‘parallel’` on
the above. flang doesn't error.

Fix moves the error check to `CreateImplicitSymbols` and checks the
variable for a violation in any of its enclosing contexts.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications