[flang-commits] [flang] [flang][OpenMP] Lowering support for declare variant. (PR #206988)

Mon Jul 13 22:06:46 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-rel-assert` running on `linaro-flang-aarch64-rel-assert` while building `flang` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/29/builds/24331

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (build-unified-tree) failure: build (failure)
...
1545.753 [187/63/7605] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Mangler.cpp.o
1549.492 [187/62/7606] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-io.cpp.o
1549.615 [187/61/7607] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-allocate.cpp.o
1567.471 [187/60/7608] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertArrayConstructor.cpp.o
1567.478 [187/59/7609] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/canonicalize-acc.cpp.o
1570.975 [187/58/7610] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Allocatable.cpp.o
1574.318 [187/57/7611] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertConstant.cpp.o
1575.838 [187/56/7612] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertCall.cpp.o
1580.451 [187/55/7613] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/canonicalize-omp.cpp.o
1584.470 [187/54/7614] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o 
/usr/local/bin/c++ -DFLANG_INCLUDE_TESTS=1 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/flang/lib/Lower -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/flang/include -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/flang/include -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/include -I/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/flang/../mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/clang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/llvm/../clang/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/build/tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/cmake_pch.hxx -MD -MT tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/flang/lib/Lower/OpenMP/Utils.cpp
/home/tcwg-buildbot/worker/flang-aarch64-rel-assert/llvm-project/flang/lib/Lower/OpenMP/Utils.cpp:1420:3: error: unknown type name 'FlangOMPContext'
 1420 |   FlangOMPContext ompCtx{converter.getModuleOp(), constructTraits};
      |   ^
1 error generated.
1584.959 [187/53/7615] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/canonicalize-directives.cpp.o
1584.989 [187/52/7616] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Support/ReductionProcessor.cpp.o
1593.241 [187/51/7617] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/definable.cpp.o
1596.484 [187/50/7618] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-data.cpp.o
1607.445 [187/49/7619] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/canonicalize-do.cpp.o
1608.398 [187/48/7620] Building CXX object tools/flang/tools/bbc/CMakeFiles/bbc.dir/bbc.cpp.o
1609.087 [187/47/7621] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/scope.cpp.o
1623.334 [187/46/7622] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-labels.cpp.o
1623.684 [187/45/7623] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/openmp-parsers.cpp.o
1625.602 [187/44/7624] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-case.cpp.o
1628.004 [187/43/7625] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/runtime-type-info.cpp.o
1631.154 [187/42/7626] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/rewrite-parse-tree.cpp.o
1631.766 [187/41/7627] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/tools.cpp.o
1631.782 [187/40/7628] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-loop.cpp.o
1632.256 [187/39/7629] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertVariable.cpp.o
1633.310 [187/38/7630] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/pointer-assignment.cpp.o
1636.596 [187/37/7631] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/data-to-inits.cpp.o
1636.768 [187/36/7632] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-complex.cpp.o
1637.371 [187/35/7633] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/type.cpp.o
1639.924 [187/34/7634] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/symbol.cpp.o
1641.276 [187/33/7635] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-logical.cpp.o
1646.638 [187/32/7636] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/unparse-with-symbols.cpp.o
1647.162 [187/31/7637] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/resolve-names-utils.cpp.o
1647.352 [187/30/7638] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Atomic.cpp.o
1649.160 [187/29/7639] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/check-expression.cpp.o
1655.269 [187/28/7640] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/mod-file.cpp.o
1656.404 [187/27/7641] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-acc-structure.cpp.o
1669.105 [187/26/7642] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-real.cpp.o
1669.539 [187/25/7643] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-call.cpp.o
1671.396 [187/24/7644] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExprToHLFIR.cpp.o
1683.624 [187/23/7645] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o
1692.194 [187/22/7646] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-coarray.cpp.o
1696.322 [187/21/7647] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Support/Utils.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/206988