[Lldb-commits] [lldb] [lldb][DWARFASTParserClang] Fetch constant value from variable defintion if available (PR #71004)

[Michael Buch via lldb-commits]

Michael137 wrote:

Looks like this caused a build test failure on linux for `lang/cpp/symbols/TestSymbols.test_dwo`:

```
make VPATH=/home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/test/API/lang/cpp/symbols -C /home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo -I /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/test/API/lang/cpp/symbols -I /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make -f /home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo/Makefile MAKE_DSYM=NO MAKE_DWO=YES all ARCH=x86_64 'CC="/home/worker/2.0.1/lldb-x86_64-debian/build/bin/clang"' CLANG_MODULE_CACHE_DIR=/home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/module-cache-clang/lldb-api
make: Entering directory '/home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo'
"/home/worker/2.0.1/lldb-x86_64-debian/build/bin/clang"  -std=c++11 -std=c++11 -g -O0 -m64  -I/home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../../include -I/home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo -I/home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -gsplit-dwarf    --driver-mode=g++ -MT main.o -MD -MP -MF main.d -c -o main.o /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/test/API/lang/cpp/symbols/main.cpp
"/home/worker/2.0.1/lldb-x86_64-debian/build/bin/clang" main.o -g -O0 -m64  -I/home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../../include -I/home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo -I/home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -gsplit-dwarf    --driver-mode=g++ -o "a.out"
make: Leaving directory '/home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/lang/cpp/symbols/TestSymbols.test_dwo'
runCmd: expression -- D::i
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	HandleCommand(command = "expression -- D::i")
1.	<user expression 0>:1:4: current parser token 'i'
2.	<lldb wrapper prefix>:44:1: parsing function body '$__lldb_expr'
3.	<lldb wrapper prefix>:44:1: in compound statement ('{}')
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  _lldb.cpython-39-x86_64-linux-gnu.so 0x00007fbcfcb08b87
1  _lldb.cpython-39-x86_64-linux-gnu.so 0x00007fbcfcb067ae
2  _lldb.cpython-39-x86_64-linux-gnu.so 0x00007fbcfcb0923f
3  libpthread.so.0                      0x00007fbd07ab7140
```

https://github.com/llvm/llvm-project/pull/71004