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2a6c6e914a
The cause of the issue is the interaction of two factors: 1) When generating a DW_TAG_imported_declaration DIE which imports another imported declaration, the code in AsmPrinter/DwarfCompileUnit.cpp asserts that the second imported declaration must already have a DIE. 2) There is a non-determinism in the order in which imported declarations within the same scope are processed. Because of the non-determinism (2), it is possible that an imported declaration is processed before another one it depends on, breaking the assumption in (1). The source of the non-determinism is that the imported declaration DIDescriptors are sorted by scope in DwarfDebug::beginModule(); however that sort is not a stable_sort, therefore the order of the declarations within the same scope is not preserved. The attached patch changes the std::sort to a std::stable_sort and it fixes the problem. Test omitted due to it being non-deterministic and depending on the implementation of std::sort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231100 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| Analysis | ||
| AsmParser | ||
| Bitcode | ||
| CodeGen | ||
| DebugInfo | ||
| ExecutionEngine | ||
| Fuzzer | ||
| IR | ||
| IRReader | ||
| LineEditor | ||
| Linker | ||
| LTO | ||
| MC | ||
| Object | ||
| Option | ||
| ProfileData | ||
| Support | ||
| TableGen | ||
| Target | ||
| Transforms | ||
| CMakeLists.txt | ||
| LLVMBuild.txt | ||
| Makefile | ||