[llvm] LAA: simplify LoopAccessInfoManager::clear (NFC) (PR #125488)

Mon Feb 3 09:13:51 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-out-of-tree` running on `linaro-flang-aarch64-out-of-tree` while building `llvm` at step 7 "build-flang-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/53/builds/11759

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

```
Step 7 (build-flang-unified-tree) failure: build (failure)
...
3266.334 [69/10/80] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-data.cpp.o
3274.470 [69/9/81] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-purity.cpp.o
3277.939 [69/8/82] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-return.cpp.o
3279.343 [69/7/83] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-io.cpp.o
3280.441 [62/13/84] Linking CXX static library lib/libFortranParser.a
3281.494 [62/12/85] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-case.cpp.o
3308.506 [62/11/86] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-call.cpp.o
3310.544 [62/10/87] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-coarray.cpp.o
3311.853 [56/15/88] Linking CXX static library lib/libFortranEvaluate.a
3321.118 [56/14/89] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o
FAILED: lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o 
/usr/local/bin/c++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/lib/Semantics -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Semantics -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/include -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/clang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/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 -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Werror -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   -D_GNU_SOURCE -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o -MF lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o.d -o lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-structure.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Semantics/check-omp-structure.cpp
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4728:32: error: captured structured bindings are a C++20 extension [-Werror,-Wc++20-extensions]
 4728 |                   context_.Say(traitName.source,
      |                                ^
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4721:14: note: 'traitName' declared here
 4721 |       auto &[traitName, maybeProps]{trait.t};
      |              ^
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4735:32: error: captured structured bindings are a C++20 extension [-Werror,-Wc++20-extensions]
 4735 |                   context_.Say(traitName.source,
      |                                ^
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4721:14: note: 'traitName' declared here
 4721 |       auto &[traitName, maybeProps]{trait.t};
      |              ^
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4742:32: error: captured structured bindings are a C++20 extension [-Werror,-Wc++20-extensions]
 4742 |                   context_.Say(traitName.source,
      |                                ^
../llvm-project/flang/lib/Semantics/check-omp-structure.cpp:4721:14: note: 'traitName' declared here
 4721 |       auto &[traitName, maybeProps]{trait.t};
      |              ^
3 errors generated.
3337.709 [56/13/90] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-cuda.cpp.o
3348.616 [56/12/91] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-do-forall.cpp.o
3363.594 [56/11/92] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-stop.cpp.o
3365.613 [56/10/93] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-select-type.cpp.o
3369.705 [56/9/94] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/compute-offsets.cpp.o
3388.773 [56/8/95] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/check-select-rank.cpp.o
3391.454 [56/7/96] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/openmp-modifiers.cpp.o
3391.706 [56/6/97] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/program-tree.cpp.o
3395.971 [56/5/98] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/definable.cpp.o
3434.365 [56/4/99] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/data-to-inits.cpp.o
3443.949 [56/3/100] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/pointer-assignment.cpp.o
3471.810 [56/2/101] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/mod-file.cpp.o
3578.105 [56/1/102] Building CXX object lib/Semantics/CMakeFiles/FortranSemantics.dir/expression.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/125488