Bug 257876
| Summary: | clang-11.0.1 crashes on 14-CURRENT but doesn't crash on 13.0-STABLE on the math/deal.ii port: error: Didn't find this decl on its identifier's chain! | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Yuri Victorovich <yuri> |
| Component: | bin | Assignee: | freebsd-toolchain (Nobody) <toolchain> |
| Status: | Open --- | ||
| Severity: | Affects Only Me | CC: | dim, marklmi26-fbsd |
| Priority: | --- | Keywords: | regression |
| Version: | 13.0-STABLE | ||
| Hardware: | Any | ||
| OS: | Any | ||
| URL: | https://github.com/llvm/llvm-project/issues/47050 | ||
| See Also: | https://bugs.llvm.org/show_bug.cgi?id=47706 | ||
[ 86%] Building CXX object source/grid/CMakeFiles/obj_grid_release.dir/grid_generator.cc.o cd /wrkdirs/usr/ports/math/deal.ii/work/.build/source/grid && /usr/bin/c++ -DBOOST_NO_AUTO_PTR -I/wrkdirs/usr/ports/math/deal.ii/work/.build/source/grid -I/wrkdirs/usr/ports/math/deal.ii/work/.build/include -I/wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/include -isystem /usr/local/include -pedantic -fPIC -Wall -Wextra -Wmissing-braces -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wsuggest-override -Wswitch -Wsynth -Wwrite-strings -Wno-deprecated-declarations -Wno-psabi -Wfloat-conversion -Qunused-arguments -Wno-unsupported-friend -Wno-undefined-var-template -openmp-simd -O2 -pipe -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -Wno-unused-local-typedefs -funroll-loops -fstrict-aliasing -MD -MT source/grid/CMakeFiles/obj_grid_release.dir/grid_generator.cc.o -MF CMakeFiles/obj_grid_release.dir/grid_generator.cc.o.d -o CMakeFiles/obj_grid_release.dir/grid_generator.cc.o -c /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_g! enerator. cc Didn't find this decl on its identifier's chain! UNREACHABLE executed at /usr/local/poudriere/jails/main-i386/usr/src/contrib/llvm-project/clang/lib/Sema/IdentifierResolver.cpp:82! PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/c++ -DBOOST_NO_AUTO_PTR -I/wrkdirs/usr/ports/math/deal.ii/work/.build/source/grid -I/wrkdirs/usr/ports/math/deal.ii/work/.build/include -I/wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/include -isystem /usr/local/include -pedantic -fPIC -Wall -Wextra -Wmissing-braces -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wsuggest-override -Wswitch -Wsynth -Wwrite-strings -Wno-deprecated-declarations -Wno-psabi -Wfloat-conversion -Qunused-arguments -Wno-unsupported-friend -Wno-undefined-var-template -openmp-simd -O2 -pipe -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -Wno-unused-local-typedefs -funroll-loops -fstrict-aliasing -MD -MT source/grid/CMakeFiles/obj_grid_release.dir/grid_generator.cc.o -MF CMakeFiles/obj_grid_release.dir/grid_generator.cc.o.d -o CMakeFiles/obj_grid_release.dir/grid_generator.cc.o -c /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_generator.cc 1. /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_generator.cc:6106:3: current parser token 'template' 2. /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_generator.cc:36:1 <Spelling=/wrkdirs/usr/ports/math/deal.ii/work/.build/include/deal.II/base/config.h:396:32>: parsing namespace 'dealii' 3. /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_generator.cc:42:1: parsing namespace 'dealii::GridGenerator' 4. /wrkdirs/usr/ports/math/deal.ii/work/dealii-9.3.1/source/grid/grid_generator.cc:5898:3: parsing function body 'dealii::GridGenerator::hyper_shell<3>' #0 0x0450d6c4 (/usr/bin/c+++0x450d6c4) #1 0x0450db40 (/usr/bin/c+++0x450db40) #2 0x0450b77e (/usr/bin/c+++0x450b77e) #3 0x044a7024 (/usr/bin/c+++0x44a7024) #4 0x044a71c4 (/usr/bin/c+++0x44a71c4) #5 0x25b84709 (/lib/libthr.so.3+0x18709) c++: error: clang frontend command failed with exit code 134 (use -v to see invocation) FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git llvmorg-12.0.1-0-gfed41342a82f) Target: i386-unknown-freebsd14.0 Thread model: posix InstalledDir: /usr/bin c++: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: c++: note: diagnostic msg: /tmp/grid_generator-ae2fdb.cpp c++: note: diagnostic msg: /tmp/grid_generator-ae2fdb.sh c++: note: diagnostic msg: The log above is for clang-12.0.1 but I have an older 14-CURRENT VM with clang-11.0.1 which crashes the same way. The: Version: 13.0-STABLE seems to be indicating that context that does not fail? It probably should be chnaged to indicate that context that does get the failure. I can reproduce on 14.0 with clang 12.0.1; at first sight it looks like a new bug for upstream. It will take a bit of time to reduce, as compiling this file is very slow. This was already reported upstream on 2020-10-01 as https://bugs.llvm.org/show_bug.cgi?id=47706, no fix yet. :( |
The attached testcase crashes on 14-CURRENT with > Didn't find this decl on its identifier chain! The same clang version succeeds on 13.0-STABLE. The port math/deal.ii (6e7b82f0665c904d2859d9361d66aa4085c5a54e) fails on 14-CURRENT with this error.