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6f5c5cbe5f
This is very similar to https://reviews.llvm.org/D103557 but applies to symbols which are undefined at link time rather than compile time. We already have code that handles symbols which were defined at link time but dead stripped by `--gc-sections` (See `test/wasm/debug-removed-fn.ll`). In that case the symbols are not live (!isLive()). However, we can also have live symbols (which are references by the program) but which are undefined at link time and are imported by the linker. In the test case here the symbol `undef` is used but is not defined in the program but is imported by the linker due to the `--import-undefined` flag. Fixes: https://github.com/emscripten-core/emscripten/issues/15528 Differential Revision: https://reviews.llvm.org/D114921 |
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| .. | ||
| CMakeLists.txt | ||
| Config.h | ||
| Driver.cpp | ||
| InputChunks.cpp | ||
| InputChunks.h | ||
| InputElement.h | ||
| InputFiles.cpp | ||
| InputFiles.h | ||
| LTO.cpp | ||
| LTO.h | ||
| MapFile.cpp | ||
| MapFile.h | ||
| MarkLive.cpp | ||
| MarkLive.h | ||
| Options.td | ||
| OutputSections.cpp | ||
| OutputSections.h | ||
| OutputSegment.cpp | ||
| OutputSegment.h | ||
| Relocations.cpp | ||
| Relocations.h | ||
| Symbols.cpp | ||
| Symbols.h | ||
| SymbolTable.cpp | ||
| SymbolTable.h | ||
| SyntheticSections.cpp | ||
| SyntheticSections.h | ||
| Writer.cpp | ||
| Writer.h | ||
| WriterUtils.cpp | ||
| WriterUtils.h | ||