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Summary: With -r or --emit-relocs, we warn `STT_SECTION symbol should be defined` on relocations to discarded section symbol. This was added as an error in rLLD319404, but was not so effective before D61583 (it turned the error to a warning). Relocations from .eh_frame .debug* .zdebug* .gcc_except_table to discarded .text are very common and somewhat expected. Don't warn/error on them. As a reference, ld.bfd has a similar logic in _bfd_elf_default_action_discarded() to allow these cases. Delete invalid-undef-section-symbol.test because what it intended to check is now covered by the updated comdat-discarded-reloc.s Delete relocatable-eh-frame.s because we allow relocations from .eh_frame as a special case now. Reviewers: grimar, phosek, ruiu, espindola Reviewed By: ruiu Subscribers: emaste, arichardson, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D62840 llvm-svn: 362497
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This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.