On 6 Feb 2020, at 11:16, Yvan Roux via Release-testers <release-test...@lists.llvm.org> wrote: ... > And a bunch of errors in the testsuite: > > FAILED: > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/test-suite-build/tools/timeit > --summary > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o.time > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/Phase3/Release/llvmCore-10.0.0-rc1.install/usr/local/bin/clang++ > -DNDEBUG -O3 -DNDEBUG -w -Werror=date-time -MD -MT > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o > -MF > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o.d > -o > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o > -c > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/llvm-test-suite/Bitcode/simd_ops/AArch64_halide_runtime.bc > double free or corruption (fasttop) > Stack dump: > 0. Program arguments: > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/Phase3/Release/llvmCore-10.0.0-rc1.install/usr/local/bin/clang++ > -DNDEBUG -O3 -DNDEBUG -w -Werror=date-time -MD -MT > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o > -MF > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o.d > -o > Bitcode/simd_ops/CMakeFiles/simd_ops_test_op_usubl_1306.dir/AArch64_halide_runtime.bc.o > -c > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/llvm-test-suite/Bitcode/simd_ops/AArch64_halide_runtime.bc > 1. Per-module optimization passes > 2. Running pass 'Global Variable Optimizer' on module > '/home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/llvm-test-suite/Bitcode/simd_ops/AArch64_halide_runtime.bc'. > malloc_consolidate(): invalid chunk size > /home/tcwg-buildslave/workspace/tcwg-llvm-release/tcwg-apm_64-build/rc1/test-suite-build/tools/timeit: > error: child terminated by signal 6
Yes, this looks almost certainly like https://bugs.llvm.org/show_bug.cgi?id=44763. From the last lines of your output, I assume it is some sort of double free issue. Might be worth running it under valgrind, or with ASan enabled? -Dimitry
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