[PATCH] D27276: [ELF] Allow defined symbols to be assigned from linker script

[Meador Inge via Phabricator via llvm-commits]

meadori updated this revision to Diff 83387.
meadori added a comment.

- Address @ruiu's point about using `addUndefined`.  Note that I had to use the long form to control the visibility (for symbols defined in `PROVIDE`).
- XFAIL of test/ELF/mips-gp-ext.s remains -- this test fails now due to another lld bug. I will look into the other bug after pushing this through.


https://reviews.llvm.org/D27276

Files:
  ELF/LinkerScript.cpp
  test/ELF/linkerscript/symbol-assignexpr.s
  test/ELF/mips-gp-ext.s

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