| Issue |
149700
|
| Summary |
[Flang][OpenMP] flang/lib/Support/OpenMP-utils.cpp:16: mlir::Block *Fortran::common::openmp::genEntryBlock(mlir::OpBuilder &, const Fortran::common::openmp::EntryBlockArgs &, mlir::Region &): Assertion `args.isValid() && "invalid args"' failed.
|
| Labels |
crash,
flang:openmp
|
| Assignees |
|
| Reporter |
k-arrows
|
Crash itself is reproducible on Godbolt:
https://godbolt.org/z/Pb5eMzbca
```f90
integer :: i, ior
!$omp parallel reduction (ior:i)
!$omp end parallel
end
```
With assertion-enabled flang, compiling the above reproducer results in the following assertion failure:
```txt
flang_test/llvm-project/flang/lib/Support/OpenMP-utils.cpp:16: mlir::Block *Fortran::common::openmp::genEntryBlock(mlir::OpBuilder &, const Fortran::common::openmp::EntryBlockArgs &, mlir::Region &): Assertion `args.isValid() && "invalid args"' failed.
```
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